Bg 17.12

abhisandhaya tu phalam
dambhartham api caiva yat
ijyate bharata-srestha
tam yajnam viddhi rajasam

Word for word: 
abhisandhaya — desiring; tu — but; phalam — the result; dambha — pride; artham — for the sake of; api — also; ca — and; eva — certainly; yat — that which; ijyate — is performed; bharata-srestha — O chief of the Bharatas; tam — that; yajnam — sacrifice; viddhi — know; rajasam — in the mode of passion.

Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
But the sacrifice performed for some material benefit, or for the sake of pride, O chief of the Bharatas, you should know to be in the mode of passion.

Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Sometimes sacrifices and rituals are performed for elevation to the heavenly kingdom or for some material benefits in this world. Such sacrifices or ritualistic performances are considered to be in the mode of passion.