Answer a fool according to his brutishness Original Hebrew Scripture from Proverbs 26
"Answer a fool according to his brutishness, lest he be wise in his own eyes."
עֲנֵה כְסִיל כְּאִוַּלְתּוֹ פֶּן־יִהְיֶה חָכָם בְּעֵינָיו