Kommentar zu Tehillim 90:12

So teach the number of our days And just as in the beginning, make known in the world the number of our long days, and since we enjoy longevity, we will be able to acquire intelligence, and we will acquire in them a heart of wisdom. The word נביא is an expression of bringing [rather than of a prophet. Cf. B.B. 12a, Targum ad. loc, Redak below]. (Some say: According to the number of our days כן, according to the numerical value of כן, seventy years. He says: According to the number of our years, which are few, so shall You chastise us, as [Jud. 8:16]: “and with them he chastised (ויודע) the men of Succoth.” This does not appear in all editions.)