Bhagavad Gita 17.24

tasmāt: therefore;

oṁ: beginning with oṁ;

iti: thus;

udāhṛtya: indicating;

yajña: of sacrifice;

dāna: charity;

tapaḥ: and penance;

kriyāḥ: performances;

pravartante: begin;

vidhāna: uktāḥ — according to scriptural regulation;

satatam: always;

brahma: vādinām — of the transcendentalists .;