Parallel
Proverbs 14:10
Westminster Leningrad Codex · Berean Standard Bible
לֵ֗ב י֭וֹדֵעַ מָרַּ֣ת נַפְשׁ֑וֹ וּ֝בְשִׂמְחָת֗וֹ לֹא־ יִתְעָ֥רַב זָֽר׃
The heart knows its own bitterness, and no stranger shares in its joy.