We should not be like Cain, who was of the evil one and murdered his brother. And why did he murder him? Because his own deeds were evil and his brother's righteous.
I will put enmity between you and the woman, and between your offspring[4] and her offspring; he shall bruise your head, and you shall bruise his heel."
And Adam knew his wife again, and she bore a son and called his name Seth, for she said, "God has appointed[7] for me another offspring instead of Abel, for Cain killed him."
and called his name Noah, saying, "Out of the ground that the LORD has cursed this one shall bring us relief[4] from our work and from the painful toil of our hands."
He drove out the man, and at the east of the garden of Eden he placed the cherubim and a flaming sword that turned every way to guard the way to the tree of life.