Srimad Bhagavad Gita.

Chapter 17: The Three Types of Faith (ÅšraddhÄtraya-vibhÄga-yoga). Text 27

yajñe tapasi dÄne cha sthitiḥ sad iti chochyate karma chaiva tad-arthÄ«yaá¹ sad ity evÄbhidhÄ«yate [27]

  1. sthitiḥ–The eternality; yajñe–in sacrifice; tapasi–austerity; dÄne cha–and charity; uchyate–is described; sat iti cha–by this word karma cha eva–And action; tat-arthÄ«yam–for the satisfaction of the Supreme Lord; abhidhÄ«yate–is designated; sat iti eva–by the word
  2. [27]


Text

The word Sat is said to indicate the eternality of sacrifice, austerity, and charity. And action for the satisfaction of the Supreme Lord is called Sat—truth.

Purport