Parallel
Proverbs 20:27
Rahlfs Septuagint (1935) · Berean Standard Bible
φῶς κυρίου πνοὴ ἀνθρώπων ὃς ἐρευνᾷ ταμίεια κοιλίας
The spirit (note: Or breath or speech) of a man is the lamp of the LORD, searching out his inmost being.