וַֽיִּשְׁבְּת֡וּ שְׁלֹ֤שֶׁת הָאֲנָשִׁ֣ים הָ֭אֵלֶּה מֵעֲנ֣וֹת אֶת־אִיּ֑וֹב כִּ֤י ה֖וּא צַדִּ֣יק בְּעֵינָֽיו׃ (פ)
So these three men ceased to answer Job, because he was righteous in his own eyes.
Read midrashic interpretation of Job 32:1: and classical rabbinic exegesis.