Śrīla Śukadeva Gosvāmī was a liberated soul, and thus he remained always alert not to be trapped by the illusory energy. In the Bhagavad-gītā this alertness is very lucidly explained. The liberated soul and the conditioned soul have different engagements. The liberated soul is always engaged in the progressive path of spiritual attainment, which is something like a dream for the conditioned soul. The conditioned soul cannot imagine the actual engagements of the liberated soul. While the conditioned soul thus dreams about spiritual engagements, the liberated soul is awake. Similarly, the engagement of a conditioned soul appears to be a dream for the liberated soul. A conditioned soul and a liberated soul may apparently be on the same platform, but factually they are differently engaged, and their attention is always alert, either in sense enjoyment or in self-realization, respectively. The conditioned soul is absorbed in matter, whereas the liberated soul is completely indifferent to matter.
(Srimad Bhagavatam----1:4:4----purport).

The duty of the sane person, therefore, is to be undisturbed by worldly calamities, which are sure to happen in all circumstances. Suffering all sorts of unavoidable misfortunes, one should make progress in spiritual realization because that is the mission of human life. The spirit soul is transcendental to all material calamities; therefore, the so-called calamities are called false. A man may see a tiger swallowing him in a dream, and he may cry for this calamity. Actually there is no tiger and there is no suffering; it is simply a case ofdreams. In the same way, all calamities of life are said to be dreams. If someone is lucky enough to get in contact with the Lord by devotional service, it is all gain. Contact with the Lord by any one of the nine devotional services is always a forward step on the path going back to Godhead.
(Srimad Bhagavatam----1:8:25----purport).

Disturbances from various diseases can be avoided by regulated diets. By self-control one can be free from false hopes, and money can be saved by avoiding undesirable association. By practice of yoga one can control hunger, and worldliness can be avoided by culturing the knowledge of impermanence. Dizziness can be conquered by rising up, and false arguments can be conquered by factual ascertainment. Talkativeness can be avoided by gravity and silence, and by prowess one can avoid fearfulness. Perfect knowledge can be obtained by self-cultivation. One must be free from lust, avarice, anger, dreaming, etc., to actually attain the path of salvation.
(Srimad Bhagavatam----1:9:27----purport).

Since the living being is never to die by his constitution, as stated in Bhagavad-gītā (2.20), then what is the cause of fearfulness? A person may be fearful of a tiger in a dream, but another man who is awake by his side sees no tiger there. The tiger is a myth for both of them, namely the person dreaming and the person awake, because actually there is no tiger; but the man forgetful of his awakened life is fearful, whereas the man who has not forgotten his position is not at all fearful. Thus the members of the Yadu dynasty were fully awake in their service to the Lord, and therefore there was no tiger for them to be afraid of at any time. Even if there were a real tiger, the Lord was there to protect them.
(Srimad Bhagavatam----1:14:38----purport).

The living beings can appreciate the qualities of the Lord as the ultimate goal, but they cannot attain the status quo of such equality. This material world is a product of the mahat-tattva, which is a state of the Lord's dreaming condition in His yoga-nidrā mystic slumber in the Causal Ocean, and yet the whole creation appears to be a factual presentation of His creation. This means that the Lord's dreaming conditions are also factual manifestations. He can therefore bring everything under His transcendental control, and thus whenever and wherever He does appear, He does so in His fullness.
(Srimad Bhagavatam----1:16:26-30----purport).

The history of human society definitely proves it, yet the foolish people still suggest that in the future they will be able to live perpetually, with the help of material science. This poor fund of knowledge exhibited by human society is certainly misleading, and it is all due to ignoring the constitution of the living soul. This material world exists only as adream, due to our attachment to it. Otherwise, the living soul is always different from the material nature. The great ocean of material nature is tossing with the waves of time, and the so-called living conditions are something like foaming bubbles, which appear before us as bodily self, wife, children, society, countrymen, etc. Due to a lack of knowledge of self, we become victimized by the force of ignorance and thus spoil the valuable energy of human life in a vain search after permanent living conditions, which are impossible in this material world.
(Srimad Bhagavatam----2:1:4----purport).

The example given in this verse very nicely is that of the dreaming man. The dreaming man creates many things in his dream, and thus he himself becomes the entangled seer of the dream and is also affected by the consequences. This material creation is also exactly a dreamlike creation of the Lord, but He, being the transcendental Supersoul, is neither entangled nor affected by the reactions of such a dreamlike creation. He is always in His transcendental position, but essentially He is everything, and nothing is apart from Him. As a part of Him, one should therefore concentrate on Him only, without deviation; otherwise one is sure to be overcome by the potencies of the material creation, one after another.
(Srimad Bhagavatam----2:1:39----purport).

The desires for acquiring a house, possessing land, having children and becoming prominent in society, the affection for community and the place of birth, and the hankering for wealth, which are all like phantasmagoria or illusory dreams, encumber a human being, and he is thus impeded in his progress toward self-realization, the real aim of life. The brahmacāri, or a boy from the age of five years, especially from the higher castes, namely from the scholarly parents (the brāhmaṇas), the administrative parents (the kṣatriyas), or the mercantile or productive parents (the vaiśyas), is trained until twenty-five years of age under the care of a bona fide guru or teacher, and under strict observance of discipline he comes to understand the values of life along with taking specific training for a livelihood.
(Srimad Bhagavatam----2:7:6----purport).

Like a person who thinks of becoming a king without possessing the necessary qualification, when the living entity desires to become the Lord Himself, he is put in a condition of dreamingthat he is a king. Therefore the first sinful will of the living entity is to become the Lord, and the consequent will of the Lord is that the living entity forget his factual life and thus dream of the land of utopia where he may become one like the Lord. The child cries to have the moon from the mother, and the mother gives the child a mirror to satisfy the crying and disturbing child with the reflection of the moon. Similarly, the crying child of the Lord is given over to the reflection, the material world, to lord it over as karmī and to give this up in frustration to become one with the Lord. Both these stages are dreaming illusions only. There is no necessity of tracing out the history of when the living entity desired this. But the fact is that as soon as he desired it, he was put under the control of ātma-māyā by the direction of the Lord. Therefore the living entity in his material condition is dreaming falsely that this is "mine" and this is "I." The dream is that the conditioned soul thinks of his material body as "I" or falsely thinks that he is the Lord and that everything in connection with that material body is "mine." Thus only indream does the misconception of "I" and "mine" persist life after life. This continues life after life, as long as the living entity is not purely conscious of his identity as the subordinate part and parcel of the Lord.
In his pure consciousness, however, there is no such misconceived dream, and in that pure conscious state the living entity does not forget that he is never the Lord, but that he is eternally the servitor of the Lord in transcendental love.
(Srimad Bhagavatam----2:9:1----purport).

Similarly, a living entity desiring to get the body of a demigod in a higher planet can also get it by the grace of the Lord. And if he is intelligent enough, he can desire to get a spiritual body to enjoy the company of the Lord, and he will get it. So the minute freedom of the living entity can be fully utilized, and the Lord is so kind that He will award the living entity the same type of body he desires. The living entity's desiring is like dreaming of a golden mountain. A person knows what a mountain is, and he knows also what gold is. Out of his desire only, he dreams of a golden mountain, and when the dream is over he sees something else in his presence. He finds in his awakened state that there is neither gold nor a mountain, and what to speak of a golden mountain.
(Srimad Bhagavatam----2:9:2----purport).

In conditioned life the living entity is subjected to the influence of time in the dream of past, present and future. The mental speculator tries to conquer the influence of time by future speculations of becoming Vāsudeva or the Supreme Lord himself by means of culturing knowledge and conquering over ego. But the process is not perfect. The perfect process is to accept Lord Vāsudeva as the Supreme in everything, and the best perfection in culturing knowledge is to surrender unto Him because He is the source of everything. Only in that conception can one get rid of the misconception of I and mine. Both Bhagavad-gītā and the Śrīmad-Bhāgavatam confirm it. Śrīla Vyāsadeva has specifically contributed to the illusioned living entities the science of God and the process of bhakti-yoga in his great literature Śrīmad-Bhāgavatam, and the conditioned soul should fully take advantage of this great science.
(Srimad Bhagavatam----2:9:3----purport).