לֵ֗ב י֭וֹדֵעַ מָרַּ֣ת נַפְשׁ֑וֹ וּ֝בְשִׂמְחָת֗וֹ לֹא־יִתְעָ֥רַב זָֽר׃
Alam ng puso ang sariling kapaitan ng kanyang kaluluwa, at sa kanyang kagalakan ay hindi nakikihati ang ibang tao.
Rashi
One’s heart knows the bitterness of his soul His toil and labor that he toiled with the Torah. Therefore, in his joy a stranger shall not mingle. Another explanation: One’s heart knows the bitterness of his soul Israel, who are of embittered spirit in exile, for they are killed for the sanctification of the Name—in their joy no stranger shall mingle in the future.