Synonyms:

karma–work; brahma–Vedas; udbhavam–produced from; viddhi–one should know; brahma–the Vedas; aksara–the Supreme Brahman (Personality of Godhead); samudbhavam–directly manifested; tasmat–therefore; sarva-gatam–all-pervading; brahma–transcendence; nityam–eternally; yajne–in sacrifice; pratisthitam–situated.

Translation:

Regulated activities are prescribed in the Vedas, and the Vedas are directly manifested from the Supreme Personality of Godhead. Consequently the all-pervading Transcendence is eternally situated in acts of sacrifice.