Isaiah 40:29-31

New Revised Standard Version Updated Edition

²⁹ He gives power to the faint
    and strengthens the powerless.^(A)
30 Even youths will faint and be weary,
    and the young will fall exhausted,
³¹ but those who wait for 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.^(B)