וְאִם־בֶּאֱמֶ֨ת וּבְתָמִ֧ים עֲשִׂיתֶ֛ם עִם־יְרֻבַּ֥עַל וְעִם־בֵּית֖וֹ הַיּ֣וֹם הַזֶּ֑ה שִׂמְחוּ֙ בַּאֲבִימֶ֔לֶךְ וְיִשְׂמַ֥ח גַּם־ה֖וּא בָּכֶֽם׃
if ye then have dealt truly and uprightly with Jerubbaal and with his house this day, then rejoice ye in Abimelech, and let him also rejoice in you.
Read midrashic interpretation of Judges 9:19: and classical rabbinic exegesis.