Synonyms:

istan–desired; bhogan–necessities of life; hi–certainly; vah–unto you; devah–the demigods; dasyante–award; yajna-bhavitah–being satisfied by the performance of sacrifices; taih–by them; dattan–things given; apradaya–without offering; ebhyah–to the demigods; yah–he who; bhunkte–enjoys; stenah–thief; eva–certainly; sah–is he.

Translation:

In charge of the various necessities of life, the demigods, being satisfied by the performance of yajna [sacrifice], supply all necessities to man. But he who enjoys these gifts, without offering them to the demigods in return, is certainly a thief.