Genesis 49:5

Reuben, thou [art] my firstborn, my might, and the beginning of my strength, the excellency of dignity, and the excellency of power:

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.

O my soul, come not thou into their secret; unto their assembly, mine honour, be not thou united: for in their anger they slew a man, and in their selfwill they digged down a wall.

Cursed [be] their anger, for [it was] fierce; and their wrath, for it was cruel: I will divide them in Jacob, and scatter them in Israel.