Psalm 78:2-5

I will open my mouth in a parable; I will utter dark sayings from of old, things that we have heard and known, that our fathers have told us. We will not hide them from their children, but tell to the coming generation the glorious deeds of the LORD, and his might, and the wonders that he has done. He established a testimony in Jacob and appointed a law in Israel, which he commanded our fathers to teach to their children