Parallel
Proverbs 14:10
Swete's Septuagint · Berean Standard Bible
καρδία ἀνδρὸς αἰσθητική, λυπηρὰ ψυχὴ αὐτοῦ· ὅταν δὲ εὐφραίνηται, οὐκ ἐπιμίγνυται ὕβρει.
The heart knows its own bitterness, and no stranger shares in its joy.