'Power' in the Bible

And the men of Ai look behind them, and see, and lo, the smoke of the city hath gone up unto the heavens, and there hath not been in them power to flee hither and thither -- and the people who are fleeing to the wilderness have turned against the pursuer, --

yet am I to-day strong as in the day of Moses' sending me; as my power then, so is my power now, for battle, and to go out, and to come in.

And Joshua speaketh unto the house of Joseph, to Ephraim and to Manasseh, saying, 'Thou art a numerous people, and hast great power; thou hast not one lot only,