Matthew Henry Presbyterian @wholebiblehenry

Here, I. Zophar begins very passionately, and seems to be in a great heat at what Job had said. Being resolved to condemn Job for a bad man, he was much displeased that he talked so like a good man, and, as it should seem, broke in upon him, and began abruptly (Job 20:2): Therefore do my thoughts cause me to answer.

Commenting on Job 20:1-9

John Gill Reformed Baptist @doctorgill

Then answered Zophar the Naamathite,.... Notwithstanding the sad distressed condition Job was in, an account of which is given in the preceding chapter, enough to pierce a heart of stone, notwithstanding his earnest request to his friends to have pity on him, and notwithstanding the noble confession of his faith he had made, which showed him to be a good man, and the excellent advice...

Geneva Bible Notes Reformed @genevanotes

Be ye afraid of the sword: for wrath [bringeth] the punishments of the sword, that ye may know [there is] a judgment. (t) God will be avenged of this harsh judgment by which you condemned me.

Commenting on Job 20:1-2