Genesis 27:41

27:41 So Esau hated Jacob because of the blessing his father had given to his brother. Esau said privately, “The time of mourning for my father is near; then I will kill my brother Jacob!”

Genesis 37:8

37:8 Then his brothers asked him, “Do you really think you will rule over us or have dominion over us?” They hated him even more because of his dream and because of what he said.