Many a time. — Or more literally, much. (See margin.)
From my youth. — Here, of course, not the youth of a person, but of the nation. The poet glances back even to the Egyptian bondage. (See Hosea 2:15, “as in the days of her youth, and as in the days when she came up out of the land of Egypt;” comp. Ezekiel 23:3; Jeremiah 2:2; Jeremiah 22:21, recalling all the long series of oppressions suffered by the race.)
May Israel now say. — There is in the original no adverb of time: “let Israel say.”