'Evil' in the Bible

Then Pharaoh told them, "The LORD will certainly be with you if I let you and your little ones go. I know some evil plan is in your mind.

Why should the Egyptians say, "He brought them out with an evil intention to kill them in the mountains and to destroy them from the face of the earth'? Turn from your anger and change your mind about the calamity against your people.

Aaron said, "Sir, don't be angry. You know the people that they're intent on evil.