Śrīmad-Bhāgavatam 2.3.22
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Los Angeles, June 19, 1972
Similarly, God, Kṛṣṇa, from Him, ananta-koṭi, innumerable incarnations are coming out, coming out. Advaitam acyutam anādim ananta-rūpam [Bs. 5.33]. Then next question may be that "If all the forms are coming from Kṛṣṇa, then Kṛṣṇa also must have come from some other form." Because we see ... Suppose I have got hundred children, so I was also born by some father. No. Kṛṣṇa is not like that.
Anādi. He is not emanation from anyone. He's original. Kṛṣṇas tu bhagavān svayam. All others are emanations from Kṛṣṇa. Advaitam acyutam anādim ananta-rūpam ādyam [Bs. 5.33]. He's the original. Ādyaṁ Purāṇa, the oldest. Then why Kṛṣṇa does not look like old man? Just like in some other religious sects they present God as very old man. But Kṛṣṇa is, although the oldest... Because He's the origin of all emanations, He must be oldest, but He's nava-yauvanaṁ ca, just like a young man, sixteen to twenty years old. That is Kṛṣṇa. Yogeśvara. Kṛṣṇa, the oldest of all, still He appears nava-yauvana. Nava-yauvana, just youthful life is beginning. That is called nava-yauvana. So according to our human society, the youthful life begins at sixteen years. So Kṛṣṇa is like that. He'll look always sixteen to twenty years old, not more than that. We have never seen Kṛṣṇa has become old. Advaitam acyutam anādim ananta-rūpam [Bs. 5.33]. Liṅgāni. Liṅgāni means form. So Kṛṣṇa has many forms.