SB 11.25.11

yadā āśiṣa āśāsya
 māṁ bhajeta sva-karmabhiḥ
taṁ rajaḥ-prakṛtiṁ vidyāt
 hiṁsām āśāsya tāmasam
Word for word: 
yadā — when; āśiṣaḥ — benedictions; āśāsya — hoping for; mām — Me; bhajeta — a person worships; sva-karmabhiḥ — by his duties; tam — that; rajaḥ-prakṛtim — a person situated in the mode of passion; vidyāt — one should understand; hiṁsām — violence; āśāsya — hoping for; tāmasam — a person in the mode of ignorance.
Translation: 
When a person worships Me by his prescribed duties with the hope of gaining material benefit, his nature should be understood to be in passion, and one who worships Me with the desire to commit violence against others is in ignorance.