וְיֹאחֵ֣ז צַדִּ֣יק דַּרְכּ֑וֹ וּֽטֳהָר־יָ֝דַ֗יִם יֹסִ֥יף אֹֽמֶץ׃
און דער גערעכטער זאָל אָנהאַלטן זײַן װעג, און דער װאָס האָט רײנע הענט זאָל מערן שטאַרקײט!
Rashi
Yet the righteous holds on his way i.e., every righteous man holds on his way to stand up against the company of the hypocrites.
Malbim
The righteous person will believe Job is being punished for his sins and for fear that the same might befall him, will become still more of a zealot. The pious devotee, who believes that he is being punished for a lack of piety will redouble his own devotion to God.