NET
31 But those who wait for the Lord’s help find renewed strength; they rise up as if they had eagles’ wings, they run without growing weary, they walk without getting tired.
Darby
31 but they that wait upon Jehovah shall renew [their] strength: they shall mount up with wings as eagles; they shall run, and not tire; they shall walk, and not faint.
KJV
31 But they that wait upon the LORD shall renew [their] strength; they shall mount up with wings as eagles; they shall run, and not be weary; [and] they shall walk, and not faint.