Parallel
Proverbs 17:18
Rahlfs Septuagint (1935) · Berean Standard Bible
ἀνὴρ ἄφρων ἐπικροτεῖ καὶ ἐπιχαίρει ἑαυτῷ ὡς καὶ ὁ ἐγγυώμενος ἐγγύῃ τὸν ἑαυτοῦ φίλον
A man lacking judgment strikes hands in pledge and puts up security for his neighbor.