|Canto 11: General History||Chapter 13: The Haḿsa-avatāra Answers the Questions of the Sons of Brahmā|
Bhaktivedanta VedaBase: Śrīmad Bhāgavatam 11.13.19
sa mām acintayad devaḥ
sakāśam agamaḿ tadā
saḥ — he (Lord Brahmā); mām — Me; acintayat — remembered; devaḥ — the original demigod; praśna — of the question; pāra — the end, conclusion (the answer); titīrṣayā — with a desire to attain, understand; tasya — unto him; aham — I; haḿsa-rūpeṇa — in My form of Haḿsa; sakāśam — visible; agamam — became; tadā — at that time.
Lord Brahmā desired to attain the answer to the question that was puzzling him, and thus he fixed his mind on Me, the Supreme Lord. At that time, in My form of Haḿsa, I became visible to Lord Brahmā.
Haḿsa means "swan," and the specific ability of the swan is to separate a mixture of milk and water, extracting the rich, milky portion. Similarly, Lord Kṛṣṇa appeared as Haḿsa, or the swan, in order to separate the pure consciousness of Lord Brahmā from the modes of material nature.
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His Divine Grace A. C. Bhaktivedanta Swami Prabhupāda, Founder Ācārya of the International Society for Krishna Consciousness
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