Genesis 4:2-4

ASV(i) 2 And again she bare his brother Abel. And Abel was a keeper of sheep, but Cain was a tiller of the ground. 3 And in process of time it came to pass, that Cain brought of the fruit of the ground an offering unto Jehovah. 4 And Abel, he also brought of the firstlings of his flock and of the fat thereof. And Jehovah had respect unto Abel and to his offering: