Because of drinking the breast milk of their mother, the nine sons of Āgnīdhra naturally had strong, well-built bodies. Their father gave them each a kingdom in a different part of Jambūdvīpa. The kingdoms were named according to the names of the sons. Thus the sons of Āgnīdhra ruled the kingdoms they received from their father.
The ācāryas specifically mention that in this verse the words mātuḥ anugrahāt ("by the mercy of their mother") refer to the breast milk of their mother. In India it is a common belief that if a baby is fed his mother's milk for at least six months, his body will be very strong. Besides that, it is mentioned herein that all the sons of Āgnīdhra were endowed with the nature of their mother. Bhagavad-gītā (1.40) also declares, strīṣu duṣṭāsu vārṣṇeya jāyate varṇa-saṅkaraḥ: when women are polluted, varṇa-saṅkara, unqualified children, are generated, and when the varṇa-saṅkara population increases, the entire world becomes hellish. Therefore, according to Manu-saṁhitā, a woman needs a great deal of protection in order to remain pure and chaste so that her children can be fully engaged for the benefit of human society.
(Srimad Bhagavatam-----5:2:21-----translation and purport).

When Mahārāja Nābhi saw that his son Ṛṣabhadeva was popular with the general populace and the governmental servants, he chose to install Him on the imperial throne. In addition, he wanted to entrust his son into the hands of the learned brāhmaṇas. This means that a monarch was supposed to govern strictly according to Vedic principles under the guidance of learned brāhmaṇas, who could advise Him according to the standard Vedic scriptures like Manu-smṛti and similar śāstras. It is the duty of the king to rule the citizens according to Vedic principles.
(Srimad Bhagavatam-----5:4:5-----purport).

Śukadeva Gosvāmī replied: My dear King, if before one's next death whatever impious acts one has performed in this life with his mind, words and body are not counteracted through proper atonement according to the description of the Manu-saṁhitā and other dharma-śāstras, one will certainly enter the hellish planets after death and undergo terrible suffering, as I have previously described to you.
(Srimad Bhagavatam-----6:1:7-----translation).

For karma-kāṇḍa there are eighty authorized scriptures, such as Manu-saṁhitā, which are known as dharma-śāstras. In these scriptures one is advised to counteract his sinful acts by performing other types of fruitive action. This was the path first recommended by Śukadeva Gosvāmī to Mahārāja Parīkṣit, and actually it is a fact that one who does not take to devotional service must follow the decision of these scriptures by performing pious acts to counteract his impious acts. This is known as atonement.
(Srimad Bhagavatam-----6:1:7-----purport).

The dharma-śāstras like the Manu-saṁhitā prescribe that a man who has committed murder should be hanged and his own life sacrificed in atonement. Previously this system was followed all over the world, but since people are becoming atheists, they are stopping capital punishment. This is not wise. Herein it is said that a physician who knows how to diagnose a disease prescribes medicine accordingly. If the disease is very serious, the medicine must be strong. The weight of a murderer's sin is very great, and therefore according to Manu-saṁhitā a murderer must be killed. By killing a murderer the government shows mercy to him because if a murderer is not killed in this life, he will be killed and forced to suffer many times in future lives.
(Srimad Bhagavatam-----6:1:8-----purport).

There are twenty types of religious scriptures called dharma-śāstras, beginning with the Manu-saṁhitā and parāśara-saṁhitā, but herein it is stressed that although one may become free from the reactions of the most sinful activities by following the religious principles of these scriptures, this cannot promote a sinful man to the stage of loving service to the Lord. On the other hand, chanting the holy name of the Lord even once not only frees one immediately from the reactions of the greatest sins, but also raises one to the platform of rendering loving service to the Supreme Personality of Godhead, who is described as uttamaśloka because He is famous for His glorious activities.
(Srimad Bhagavatam-----6:2:11-----purport).

In the Manu-saṁhitā the following names are given. A son begotten by a brāhmaṇa and born from the womb of a śūdra mother is called a pāraśava or niṣāda, a hunter accustomed to stealing. A son begotten by a niṣāda in the womb of a śūdra woman is called a pukkasa. A child begotten by a kṣatriya in the womb of the daughter of a śūdra is called an ugra. A child begotten by a śūdra in the womb of the daughter of a kṣatriya is called a kṣattā. A child begotten by a kṣatriya in the womb of a lower-class woman is called a śvāda, or dog-eater. All such offspring are considered extremely sinful, but the holy name of the Supreme Personality of Godhead is so strong that all of them can be purified simply by chanting the Hare Kṛṣṇa mantra.
(Srimad Bhagavatam-----6:13:8-9-----purport).

When man and woman unite, the hard knot of this attraction becomes increasingly tight, and thus a man is implicated in the materialistic way of life. This is the illusion of the material world. This illusion acted upon Kaśyapa Muni, although he was very learned and advanced in spiritual knowledge. As stated in the Manu-saṁhitā (2.215) and Śrīmad-Bhāgavatam (9.19.17) :
mātrā svasrā duhitrā vā
nāviviktāsano bhavet
balavān indriya-grāmo
vidvāṁsam api karṣati
"A man should not associate with a woman in a solitary place, not even with his mother, sister or daughter, for the senses are so strong that they lead astray even a person advanced in knowledge." When a man remains in a solitary place with a woman, his sexual desires undoubtedly increase.
(Srimad Bhagavatam-----6:18:30-----purport).

Ordinarily a murderer is hanged, and in the Manu-saṁhitā it is said that a king bestows mercy upon a murderer by killing him, thus saving him from various kinds of suffering. Because of his sinful activities, such a murderer is killed by the mercy of the king. Kṛṣṇa, the supreme judge, deals with matters in a similar way because He is the supreme controller. The conclusion, therefore, is that the Lord is always impartial and always very kind to all living entities.
(Srimad Bhagavatam-----7:1:12-----purport).

The Manus compiled the Manu-saṁhitā. The word saṁhitā means Vedic knowledge, and manu indicates that this knowledge is given by Manu. The Manus are sometimes incarnations of the Supreme Lord and sometimes empowered living entities. Formerly, many long years ago, Lord Kṛṣṇa instructed the sun-god. The Manus are generally sons of the sun-god. Therefore, while speaking to Arjuna about the importance of Bhagavad-gītā, Kṛṣṇa said, imaṁ vivasvate yogaṁ proktavān aham avyayam vivasvān manave prāha: (B.G.4:1) "This instruction was given to Vivasvān, the sun-god, who in turn instructed his son Manu."
(Srimad Bhagavatam-----7:8:48-----purport).

Manu gave the law known as Manu-saṁhitā, which is full of directions based on varṇa and āśrama concerning how to live as a human being. These are very scientific ways of life, but under the rule of demons like Hiraṇyakaśipu, human society breaks all these systems of law and order and gradually becomes lower and lower. Thus there is no peace in the world. The conclusion is that if we want real peace and order in the human society, we must follow the principles laid down by the Manu-saṁhitā and confirmed by the Supreme Personality of Godhead, Kṛṣṇa.
(Srimad Bhagavatam-----7:8:48-----purport).

Brāhmaṇas have six occupational duties, of which three are compulsory—namely, studying the Vedas, worshiping the Deity and giving charity. By teaching, by inducing others to worship the Deity, and by accepting gifts, the brāhmaṇas receive the necessities of life. This is also confirmed in the Manu-saṁhitā:
ṣaṇṇāṁ tu karmaṇām asya
trīṇi karmāṇi jīvikā
yajanādhyāpane caiva
viśuddhāc ca pratigrahaḥ
Of the six occupational duties of the brāhmaṇas, three are compulsory—namely, worship of the Deity, study of the Vedas and the giving of charity. In exchange, a brāhmaṇa should receive charity, and this should be his means of livelihood. A brāhmaṇa cannot take up any professional occupational duty for his livelihood. The śāstras especially stress that if one claims to be a brāhmaṇa, he cannot engage in the service of anyone else; otherwise he at once falls from his position and becomes a śūdra.
(Srimad Bhagavatam-----7:11:14-----purport).

As soon as kings became degraded, spending money for sense gratification, they were lost. Similarly, at the present moment, monarchy having been lost, the people have created democracy, which is also failing. Now, by the laws of nature, the time is coming when dictatorship will put the citizens into more and more difficulty. If the king or dictator individually, or the members of the government collectively, cannot maintain the state or kingdom according to the rules of Manu-saṁhitā, certainly their government will not endure.
(Srimad Bhagavatam-----8:1:7-----purport).

Svāyambhuva Manu is the leader of mankind, and he has given a book called Manu-saṁhitā to guide human society. Herein he directs us to follow the Supreme Personality of Godhead in His different incarnations. These incarnations are described in Vedic literature, and Jayadeva Gosvāmī has described ten important incarnations in summary (keśava dhṛta-mīna-śarīra jaya jagad-īśa hare, keśava dhṛta-nara-hari-rūpa jaya jagad-īśa hare, keśava dhṛta-buddha-śarīra jaya jagad-īśa hare, etc.). Svāyambhuva Manu instructs us to follow the instructions of God's incarnations, especially Kṛṣṇa's instructions of Bhagavad-gītā As It Is.
(Srimad Bhagavatam-----8:1:16-----purport).

Women, especially beautiful young women, invoke the dormant lusty desires of a man. Therefore, according to Manu-saṁhitā, every woman should be protected, either by her husband, by her father or by her grown sons. Without such protection, a woman will be exploited.
(Srimad Bhagavatam-----8:9:9-----purport).

A woman is supposed to be always dependent—in her childhood she is dependent on her father, in youth on her husband, and in old age on her elderly sons. According to Manu-saṁhitā, she is never independent. Independence for a woman means miserable life. In this age, so many girls are unmarried and falsely imagining themselves free, but their life is miserable.
(Srimad Bhagavatam-----9:9:32-----purport).

Because women are easily seduced, the Manu-saṁhitā enjoins that they should not be given freedom. A woman must always be protected, either by her father, by her husband, or by her elderly son. If women are given freedom to mingle with men like equals, which they now claim to be, they cannot keep their propriety.
(Srimad Bhagavatam-----9:14:38-----purport).

As we learn from the history of the Mahābhārata, or "Greater India," the wives and daughters of the ruling class, the kṣatriyas, knew the political game, but we never find that a woman was given the post of chief executive. This is in accordance with the injunctions of Manu-saṁhitā, but unfortunately Manu-saṁhitā is now being insulted, and the Āryans, the members of Vedic society, cannot do anything.
(Srimad Bhagavatam-----10:4:5-----purport).

The spiritual master is also called ācārya, or a transcendental professor of spiritual science. The Manu-saṁhitā (2.140) explains the duties of an ācārya, describing that a bona fide spiritual master accepts charge of disciples, teaches them the Vedic knowledge with all its intricacies, and gives them their second birth.
(Sri Caitanya Caritamrta-----1:1:46-----purport).

The rules of Manu, as described in the Manu-saṁhitā, guide the way to such perfection.
(Sri Caitanya Caritamrta-----1:2:91-92-----purport).

If matter were accepted as the original cause of creation, all the authorized scriptures in the world would be useless, for in every scripture, especially the Vedic scriptures like the Manu-smṛti, the Supreme Personality of Godhead is said to be the ultimate creator. The Manu-smṛti is considered the highest Vedic direction to humanity. Manu is the giver of law to mankind, and in the Manu-smṛti it is clearly stated that before the creation the entire universal space was darkness, without information and without variety, and was in a state of complete suspension, like a dream. Everything was darkness. The Supreme Personality of Godhead then entered the universal space, and although He is invisible, He created the visible cosmic manifestation.
(Sri Caitanya Caritamrta-----1:6:14-15-----purport).

Brahmānanda Bhāratī belonged to the Śaṅkara-sampradāya. (The title Bhāratī indicates a member of one of that sampradāya's ten classes of sannyāsīs.) It is customary for a person who has renounced the world to cover his body with a deerskin or the bark of a tree. This is enjoined by the Manu-saṁhitā. But if a sannyāsī who has renounced the world simply wears a deerskin and does not spiritually advance, he is bewildered by false prestige.
(Sri Caitanya Caritamrta-----2:10:154-----purport).

"
One should not sit closely with one"s mother, sister or daughter, for the senses are so strong that they may attract even a person advanced in knowledge.’
This verse appears in the Manu-saṁhitā (2.215) and Śrīmad-Bhāgavatam (9.19.17).
(Sri Caitanya Caritamrta-----3:2:119-----translation and purport).

Upādhyāyī, or upādhyāya, refers to one who teaches when approached (upetya adhīyate asmāt). In the Manu-saṁhitā it is said:
eka-deśaṁ tu vedasya vedāṅgāny api vā punaḥ
yo ‘dhyāpayati vṛtty-artham upādhyāyaḥ sa ucyate
"One who teaches others a part of the Vedas or literatures supplementary to the Vedas may be called upādhyāya." Upādhyāya also refers to one who teaches art.
(Sri Caitanya Caritamrta-----3:20:147-----purport).