Pradyumna: "To achieve success in life, one should follow the example of Lord Brahmā, the first living creature in the beginning of creation. After being initiated by the Supreme Lord to execute tapasya, he was fixed in his determination to do it."
Prabhupāda: Yes.
Pradyumna: "Although he could not find anyone besides himself, he could rightly understand that the sound was transmitted by the Lord Himself. Brahmā was the only living being at that time, because there was no other creation. And none could be found there except himself. In the beginning of the First Canto, First Chapter, first verse of the Śrīmad-Bhāgavatam, it is already mentioned that Brahmā was initiated by the Lord from within. The Lord is within every living entity as the Supersoul, and he initiated Brahmā because Brahmā was willing to receive the initiation. The Lord can similarly initiate everyone who is inclined to have it. As already stated, Brahmā is the original spiritual master for the universe. And since he was initiated by the Lord Himself, the message of Śrīmad-Bhāgavatam is coming down by disciplic succession. And in order to receive the real message of Śrīmad-Bhāgavatam, one should approach the current link or spiritual master in the chain of disciplic succession. After being initiated by the proper spiritual master in that chain of succession, one should engage himself in discharge of tapasya in the execution of devotional service. One should not, however, think himself on the level of Brahmā, to be initiated directly from the Lord by the Lord from inside, because in the present age no one can be accepted to be as pure as Brahmā. The post of Brahmā, to officiate in the creation of the universe, is offered to the most pure living being. And unless one is so qualified..."
Prabhupāda: Yes. This is important. Who becomes Brahmā? A very exalted living being, pure, he is entrusted that "You become Brahmā." Brahmā is also living being, but because he is very pure... This Brahmā post is sometimes not available because there is no such pure living being. So Kṛṣṇa becomes Himself Brahmā sometimes. Go on.
Pradyumna: "The post of Brahmā, to officiate in the creation of the universe, is offered to the most pure living being. And unless one is so qualified, one cannot expect to be treated like Brahmā directly. But one can have the same facility through unalloyed devotees of the Lord and scriptural instructions as revealed in the Bhagavad-gītā and Śrīmad-Bhāgavatam especially, and also the bona fide spiritual master available to the sincere soul. The Lord Himself appears as the spiritual master, and the person who is sincere in heart serves the Lord. Therefore the bona fide spiritual master who happens to meet the sincere devotee should be accepted as the most confidential and beloved representative of the Lord. If a person is posted under the guidance of such a bona fide spiritual master it may be accepted without any doubt that the desiring person has achieved the grace of the Lord."