Now Adam knew Eve his wife, and she conceived and bore Cain, saying, "I have gotten a man with the help of the LORD."
References for Genesis 4:1
And again, she bore his brother Abel. Now Abel was a keeper of sheep, and Cain a worker of the ground.
In the course of time Cain brought to the LORD an offering of 1the fruit of the ground,
References for Genesis 4:3
and Abel also brought of 2the firstborn of his flock and of their fat portions. And the LORD 3 had regard for Abel and his offering,
References for Genesis 4:4
but 4for Cain and his offering he had no regard. So Cain was very angry, and his face fell.
References for Genesis 4:5
The LORD said to Cain, "Why are you angry, and why has your face fallen?
5If you do well, will you not be accepted? And if you do not do well, sin is crouching at the door. 6Its desire is for you, but you must rule over it."
References for Genesis 4:7