Genesis 49:4 in the World English Bible
Boiling over like water, you shall not excel, because you went up to your father’s bed, then defiled it. He went up to my couch.
Context
3 Reuben, thou art my firstborn, my might, and the beginning of my strength, the excellency of dignity, and the excellency of power:
4 Unstable as water, thou shalt not excel; because thou wentest up to thy father’s bed; then defiledst thou it: he went up to my couch.
5 Simeon and Levi are brethren; instruments of cruelty are in their habitations.