31 Therefore they will eat of the fruit of their own way, and be filled with their own schemes.
Proverbs 1:31 Cross References - WEB
Job 4:8
8 According to what I have seen, those who plow iniquity, and sow trouble, reap the same.
Proverbs 14:14
14 The unfaithful will be repaid for his own ways; likewise a good man will be rewarded for his ways.
Proverbs 22:8
8 He who sows wickedness reaps trouble, and the rod of his fury will be destroyed.
Isaiah 3:10-11
Jeremiah 2:19
19 “Your own wickedness will correct you, and your backsliding will rebuke you. Know therefore and see that it is an evil and bitter thing, that you have forsaken Yahweh your God, and that my fear is not in you,” says the Lord, Yahweh of Armies.
Jeremiah 6:19
19 Hear, earth! Behold, I will bring evil on this people, even the fruit of their thoughts, because they have not listened to my words; and as for my law, they have rejected it.