Even to your old age. — The care of a mother ceases, in the natural course of things, before a man grows old, but the fatherly, we might almost say the mother-like, maternal care of Jehovah for His chosen ones endures even to the end of life.
Related Commentaries of Isaiah 46:4
Isaiah 46:4
4 And even to your old age I am he; and even to hoar hairs will I carry you: I have made, and I will bear; even I will carry, and will deliver you.