Bhagavad Gita Chapter 3.12
istan bhogan hi vo deva
dasyante yajna-bhavitah
tair dattan apradayaibhyo
yo bhunkte stena eva sah
Translation
In charge of the various necessities of life, the demigods, being satisfied by the performance of yajna [sacrifice], will supply all necessities to you. But he who enjoys such gifts without offering them to the demigods in return is certainly a thief.