Isaiah 40:3, 28-29

The voice of one that crieth, Prepare ye in the wilderness the way of Jehovah; make level in the desert a highway for our God.

Hast thou not known? hast thou not heard? The everlasting God, Jehovah, the Creator of the ends of the earth, fainteth not, neither is weary; there is no searching of his understanding. He giveth power to the faint; and to him that hath no might he increaseth strength.