King James Version (KJV)
The heart knoweth his own bitterness; and a stranger doth not intermeddle with his joy.
Modern English
The heart knows its own bitterness, and no stranger shares its joy.
Hebrew
לֵ֗ב יֹ֭ודֵעַ מָרַּ֣ת נַפְשׁ֑וֹ וּ֝בְשִׂמְחָת֗וֹ לֹא יִתְעָרַ֥ב זָֽר׃
leb yovdeʿa marat napshvo vbshimḥatvo loʾ yitʿarab zar