One verse

Srimad Bhagavatam 11.13.19

11.13.19

स मामचिन्तयद् देव: प्रश्न‍पारतितीर्षया । तस्याहं हंसरूपेण सकाशमगमं तदा ॥ १९ ॥

sa mām acintayad devaḥ praśna-pāra-titīrṣayā tasyāhaṁ haṁsa-rūpeṇa sakāśam agamaṁ 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
haṁsa-rūpeṇa
in My form of Haṁsa
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 Haṁsa, I became visible to Lord Brahmā.