Isaiah 40:28
Hast thou not known? hast thou not heard, [that] the everlasting God, the LORD, the Creator of the ends of the earth, fainteth not, neither is weary? [there is] no searching of his understanding.
Isa 40:29
He giveth power to the faint; and to [them that have] no might he increaseth strength.
Isa 40:30
Even the youths shall faint and be weary, and the young men shall utterly fall:

(this is the New International Version of this verse:)
Isa 40:31
but those who hope in the Lord will renew their strength. They will soar on wings like eagles; they will run and not grow weary, they will walk and not be faint.

Haiku

At the mornings hope,
My days tasks are so simple,
Stop you weary night.