Job 4:2-4

(2) If we assay to commune with thee, wilt thou be grieved? but who can withhold himself from speaking? (3) Behold, thou hast instructed many, and thou hast strengthened the weak hands. (4) Thy words have upholden him that was falling, and thou hast strengthened the feeble knees.

Observe how be compliments Job on his past services in the cause of GOD and charity. But, from what follows, it is plain he meant not to applaud the man of Uz in those services, but only therefrom the more fully to show, as he thought, that it was all done from ostentation and hypocrisy.