טוֹעֵן אַחֲרֵי מַעֲשֵׂה בֵּית דִּין לֹא אָמַר כְּלוּם

ביטוי (אנגלית)

One who raises a claim after a court judgment says nothing.

הגדרה (אנגלית)

Arguments made against a final judicial decision are not heard; the principle of finality of litigation.

(Rabbi Ḥiyya bar Abba said in the name of Rabbi Yoḥanan: "One who raises a claim after a court judgment has said nothing" — Bava Metzia 17a)