Parallel
Proverbs 18:4
Swete's Septuagint · Berean Standard Bible
ὕδωρ βαθὺ λόγος ἐν καρδίᾳ ἀνδρός, ποταμὸς δὲ ἀναπηδύει καὶ πηγὴ ζωῆς.
The words of a man’s mouth are deep waters; the fountain of wisdom is a bubbling brook.