אַף־אַ֭תָּה תָּפֵ֣ר יִרְאָ֑ה וְתִגְרַ֥ע שִׂ֝יחָ֗ה לִפְנֵי־אֵֽל׃
Du brichst jede Furcht und führst schlechte Reden vor Gott?
Rashi on Job
Surely you Surely you, who are very wise, will do away with fear by the multitude of your words.
Malbim on Job
The blasphemies Job had voiced with such eloquence and fluency in his various utterances had revealed the truth: that he had long been a heretic, one who denies free-will, life after death and God's wisdom and mercy.
Rashi on Job
and increase speech Heb. ותגרע, like (below 36:27) “He will increase (יגרע) the drops of water,” and like (ibid. 15:8), “and [did] you increase (ותגרע) wisdom to yourself.”