'Shortened' in the Bible

Wherefore did I come, and there was no man? I called, and there was none to answer? Is my hand at all shortened that I cannot redeem, or have I no power to deliver? behold, at my rebuke I dry up the sea, I make rivers a wilderness; their fish stink because there is no water, and die for thirst.

Behold, Jehovah's hand is not shortened that it cannot save, neither his ear heavy that it cannot hear;