אַל יִתְהַלֵּל חוֹגֵר כִּמְפַתֵּחַ

ביטוי (אנגלית)

Let not him that girds on his armour boast himself as he that puts it off

הגדרה (אנגלית)

Figuratively: A person should not boast before completing their task. A proverb warning against arrogance and boasting before accomplishing the mission (original context: let not someone who only girds on battle attire before war boast like one who removes his uniform after victory in battle).

("And the king of Israel answered and said, Tell him: Let not him that girds on his armour boast himself as he that puts it off" — I Kings 20:11, Ahab king of Israel to Ben-Hadad king of Aram)