1 John 3:12

we are not to be like Cain, who belonged to the evil One and slew his brother. And why did he slay him? Because his own deeds were evil and his brother's just.

Treasury of Scripture Knowledge

Summary

A stone is heavy, and the sand weighty; but a fool's wrath is heavier than them both.

Bible References

But

1 John 3:12
we are not to be like Cain, who belonged to the evil One and slew his brother. And why did he slay him? Because his own deeds were evil and his brother's just.