O Lord My God,
I will give thanks to you forever
Do you not know?
Have you not heard?
The Lord is the everlasting God,
the creator of the ends of the earth.
He will not faint or grow weary,
and his understanding no one can fathom.
He gives power to the weary,
and to the one who has no might he increases strength.
Even youths shall faint and be weary,
and the young shall fall exhausted;
but they who hope in the Lord shall renew their strength,
they shall mount up with wings like eagles,
they shall run and not be weary,
they shall walk and not faint.
Isaiah 40:28-31