Isaiah 40:11 (NIV)
He tends his flock like a shepherd: He gathers the lambs in his arms and carries them close to his heart; he gently leads those that have young.(Isaiah 40:11 NIV)
Isaiah 40:29-31 (NIV)
He gives strength to the weary and increases the power of the weak.Even youths grow tired and weary, and young men stumble and fall;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.(Isaiah 40:29-31 NIV)