ישעיהו סג:ה פירוש: רש״י ואבן עזרא

And I looked, and there was no one helping Israel.

And I looked, etc. This is a figurative expression; for in fact God does not need that.

and I was astounded An expression of keeping silent, and I have already explained it above (57:16): “And He was astounded for there was no intercessor.”