Isaiah 40:29

English Standard Version

29 He gives power to the faint, and to him who has no might he increases strength.

New International Version

29 He gives strength to the weary and increases the power of the weak.

New Int. Readers Version

29 He gives strength to those who are tired. He gives power to those who are weak.

King James Version

29 He giveth power to the faint; and to them that have no might he increaseth strength.