'Strength' in the Bible

He hath showed strength with his arm; He hath scattered the proud in the imagination of their heart.

And he answering said, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy strength, and with all thy mind; and thy neighbor as thyself.

And the steward said within himself, What shall I do, seeing that my lord taketh away the stewardship from me? I have not strength to dig; to beg I am ashamed.