It is confirmed herein that the performance of saṅkīrtana-yajña in this age is as good as all other yajñas in all other ages. If one performs saṅkīrtana-yajña by chanting Hare Kṛṣṇa, Hare Kṛṣṇa, Kṛṣṇa Kṛṣṇa, Hare Hare/ Hare Rāma, Hare Rāma, Rāma Rāma, Hare Hare, there is no need to arrange elaborate paraphernalia for the prescribed sacrificial ceremonies recommended in the Vedas. In the chant of the holy names, Hare and Kṛṣṇa, Hare means the energy of Kṛṣṇa, and Kṛṣṇa is the viṣṇu-tattva. Combined together they are everything. In this age, persons are harassed by the influence of Kali-yuga and cannot arrange for all the requisite paraphernalia for performing sacrifice as recommended in the Vedas. But if one simply chants Hare Kṛṣṇa, it is to be understood that he is performing all kinds of yajña because there is nothing within our vision except Hare (the energy of Kṛṣṇa) and Kṛṣṇa. There is no difference between Kṛṣṇa and His energies. Thus since everything is a manifestation of His energy, it is to be understood that everything is Kṛṣṇa. One simply has to accept everything in Kṛṣṇa consciousness, and he is a liberated person. One should not misunderstand that because everything is Kṛṣṇa, Kṛṣṇa has no personal identity. Kṛṣṇa is so full that in spite of keeping Himself separate from everything by His energy, He is everything. This is confirmed in Bhagavad-gītā, Ninth Chapter. He is spread throughout the creation as everything, but still He is not everything. The philosophy recommended by Lord Caitanya is that He is simultaneously one and different.
(Srimad Bhagavatam----4:7:45----purport).

The word hari means "one who takes away all miserable conditions," and hari-medhase means that the Lord is always planning ways to deliver the conditioned soul from the clutches of māyā. The Lord is so kind that He personally incarnates to deliver the conditioned souls, and whenever He comes, He makes His plans.
(Srimad Bhagavatam----4:30:24----purport).

The word hari has different meanings, of which two are foremost. Hari means that He takes away all inauspicious things from the devotee's life and that He attracts the mind of the devotee by awarding him transcendental love of Godhead. Kṛṣṇa is so attractive that anyone who can remember Him in some way or another becomes freed from the four kinds of material miseries. The Lord gives special attention to His devotee and banishes the devotee's various sinful activities, which are stumbling blocks for the advancement of devotional service.
(Teachings of Lord Caitanya).

The autumn season takes away the rolling of dark clouds in the sky as well as the polluted water. Filthy conditions on the ground also become cleansed. Similarly, a person who takes to Kṛṣṇa consciousness immediately becomes cleansed of all dirty things within and without. Kṛṣṇa is therefore known as Hari. Hari means "he who takes away." Kṛṣṇa immediately takes away all unclean habits from anyone who takes to Kṛṣṇa consciousness. The clouds of autumn are white, for they do not carry any water. Similarly, a retired man, being freed from all responsibility of family affairs (namely, maintaining the home, wife and children) and taking completely to Kṛṣṇa consciousness, becomes freed from all anxieties and looks as white as clouds in autumn.
(Krsna Book).