Even in his servants he puts no trust, and his angels he charges with error;
Eliphaz, having undertaken to convince Job of the sin and folly of his discontent and impatience, here vouches a vision he had been favoured with, which he relates to Job for his conviction. What comes immediately from God all men will pay a particular deference to, and Job, no doubt, as much as any.
Commenting on Job 4:12-21
How much less on them that dwell in houses of clay,.... Meaning men, but not as dwelling in houses, in a proper sense, made of clay dried by the sun, as were common in the eastern countries; nor in mean cottages, as distinguished from cedar, and ceiled houses, in which great personages dwelt, for this respects men in common; nor as being in the houses...
folly--Imperfection is to be attributed to the angels, in comparison with Him. The holiness of some of them had given way (Pe2 2:4), and at best is but the holiness of a creature. Folly is the want of moral consideration [UMBREIT].