Isaiah 40:28-31

New King James Version

²⁸ Have you not known?
Have you not heard?
The everlasting God, the Lord,
The Creator of the ends of the earth,
Neither faints nor is weary.
^(A)His understanding is unsearchable.
²⁹ He gives power to the weak,
And to those who have no might He increases strength.
³⁰ Even the youths shall faint and be weary,
And the young men shall utterly fall,
³¹ But those who ^(B)wait on the Lord
^(C)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.