Genesis 6:5
5 Then Yahweh saw that the evil of man was great on the earth, and that every intent of the thoughts of his heart was only evil continually.
Genesis 8:21
21 And Yahweh smelled the soothing aroma; and Yahweh said to Himself, “I will never again curse the ground because of man, for the intent of man’s heart is evil from his youth; and I will never again strike down every living thing as I have done.