אוֹמְרִים מִקְצַת שִׁבְחוֹ שֶׁל אָדָם בְּפָנָיו וְכֻלּוֹ שֶׁלֹּא בְּפָנָיו

ביטוי (אנגלית)

You may tell part of a man's praise in his presence and all of it in his absence

הגדרה (אנגלית)

One should only partially praise a person in their presence to avoid causing arrogance or embarrassment, but may fully praise them when they are not present.

“The Lord said to Noah: For you I have seen righteous before Me — from this we learn that one may tell part of a man’s praise in his presence, but all of it in his absence.” — Genesis Rabbah 32