'Strength' in the Bible

when thou tillest the ground, it shall not henceforth yield unto thee its strength; a fugitive and a wanderer shalt thou be in the earth.

Reuben, thou art my first-born, my might, and the beginning of my strength; The pre-eminence of dignity, and the pre-eminence of power.

But his bow abode in strength, And the arms of his hands were made strong, By the hands of the Mighty One of Jacob, (From thence is the shepherd, the stone of Israel),