"Reuben, you are my firstborn, my might, the first sign of my strength, excelling in honor, excelling in power."
NIV
Reuben, you are my firstborn, my might, the beginning (the firstfruits) of my manly strength and vigor; [your birthright gave you] the preeminence in dignity and the preeminence in power.
AMP
Reuben, thou art my firstborn, my might, and the beginning of my strength, the excellency of dignity, and the excellency of power:
KJV
