The Mukhya Upaniṣads

Aitareya · Adhyāya 2 · Khaṇḍa 1 · The Three Births

Passage 5

तदुक्तमृषिणा गर्भे नु सन्नन्वेषामवेदमहं देवानां जनिमानि विश्वा ।शतं मा पुर आयसीररक्षन्नधः श्येनो जवसा निरदीयमिति गर्भे एवैतच्छयानो वामदेव एवमुवाच ॥ ५ ॥

In plain words

This was said by the ṛṣi: 'While yet in the womb, following after these, I came to know all the births of the gods. A hundred iron citadels held me back below; but like a hawk, with speed, I flew out.' So, lying thus even in the womb, Vāmadeva spoke.