Parallel
Job 28:21
Rahlfs Septuagint (1935) · Berean Standard Bible
λέληθεν πάντα ἄνθρωπον καὶ ἀπὸ πετεινῶν τοῦ οὐρανοῦ ἐκρύβη
It is hidden from the eyes of every living thing and concealed from the birds of the air.