I, even I. — The iterated pronoun emphasises the true grounds of confidence. If God be with us, what matter is it who may be against us? The enemies are mortal and weak; the Protector is the Eternal and the Strong.
Related Commentaries of Isaiah 51:12
Isaiah 51:12
12 I, even I, am he that comforteth you: who art thou, that thou shouldest be afraid of a man that shall die, and of the son of man which shall be made as grass;