Bible Verses About Motive: Sinful, illustrated by Cain

If thou do well, shalt thou not be accepted? and if thou doest not well, sinne lieth at the doore: also vnto thee his desire shalbe subiect, and thou shalt rule ouer him.

Not as Cain which was of that wicked one, and slewe his brother: and wherefore slewe he him? because his owne workes were euill, and his brothers good.