Parallel
Isaiah 21:12
Rahlfs Septuagint (1935) · Berean Standard Bible
φυλάσσω τὸ πρωὶ καὶ τὴν νύκτα ἐὰν ζητῇς ζήτει καὶ παρ᾿ ἐμοὶ οἴκει
The watchman replies, “Morning has come, but also the night. If you would inquire, then inquire. Come back yet again.”