יְהַלֶּלְךָ זָר וְלֹא פִיךָ

ביטוי (אנגלית)

Let a stranger praise you, not your mouth/ let another man praise you and not your own mouth/self-praise is no praise/ don't blow your own trumpet

הגדרה (אנגלית)

Don't praise yourself; praise and compliments should come from others. A saying that calls for modesty and avoiding boasting.

("Let a stranger praise you, and not your mouth; a foreigner, and not your lips" - Proverbs 27:2, and likewise: "They said to Rav Pappa: What is your name? He said to them: Rav Pappa. They said to him: But is it not said: Let a stranger praise you and not your mouth? He said: And if there is no stranger - your mouth" - Sefer HaAggadah, rena, according to the Rashba's Responsa in the early responsa, peh-dalet, and likewise: "And he saw the clothes and said, 'Do you also know how to sew? A stranger praised you and not your mouth,' I answered" - S.Y. Agnon / In the Prime of Her Days)