1 Samuel 24:13

24:13 It’s like the old proverb says: ‘From evil people evil proceeds.’ But my hand will not be against you.

1 Samuel 25:10-11

25:10 But Nabal responded to David’s servants, “Who is David, and who is this son of Jesse? This is a time when many servants are breaking away from their masters! 25:11 Should I take my bread and my water and my meat that I have slaughtered for my shearers and give them to these men? I don’t even know where they came from!”

Jeremiah 13:23

13:23 But there is little hope for you ever doing good,

you who are so accustomed to doing evil.

Can an Ethiopian change the color of his skin?

Can a leopard remove its spots?

Matthew 12:34-36

12:34 Offspring of vipers! How are you able to say anything good, since you are evil? For the mouth speaks from what fills the heart. 12:35 The good person brings good things out of his good treasury, and the evil person brings evil things out of his evil treasury. 12:36 I tell you that on the day of judgment, people will give an account for every worthless word they speak.

Matthew 15:19

15:19 For out of the heart come evil ideas, murder, adultery, sexual immorality, theft, false testimony, slander.

James 3:5-6

3:5 So too the tongue is a small part of the body, yet it has great pretensions. Think how small a flame sets a huge forest ablaze. 3:6 And the tongue is a fire! The tongue represents the world of wrongdoing among the parts of our bodies. It pollutes the entire body and sets fire to the course of human existence – and is set on fire by hell.