Cross reference
Numbers 22:29
29 And Balaam said to the ass, You have made me seem foolish: if only I had a sword in my hand I would put you to death.
Proverbs 12:10
10 An upright man has thought for the life of his beast, but the hearts of evil-doers are cruel.
Proverbs 12:16
16 A foolish man lets his trouble be openly seen, but a sharp man keeps shame secret.
Ecclesiastes 9:3
3 This is evil in all things which are done under the sun: that there is one fate for all, and the hearts of the sons of men are full of evil; while they have life their hearts are foolish, and after that--to the dead.
Matthew 15:19
19 For out of the heart come evil thoughts, the taking of life, broken faith between the married, unclean desires of the flesh, taking of property, false witness, bitter words: