Mudgalapurana 3.47.60

3.47.60

oṅkāra uvāca |
caturvedapracuro'haṃ mayā yogasya sevayā |
brahma sākṣāt kṛtaṃ devāstena yogimato'bhavam ||

The Oṅkāra said:
I am abundant across the four Vedas; through the practice of yoga,
Brahman has been directly perceived by me; therefore, O gods, I became acknowledged by yogins.