For that would be a heinous crime; that would be an iniquity to be punished by the judges;
Two more instances we have here of Job's integrity: - I. That he had a very great abhorrence of the sin of adultery. As he did not wrong his own marriage bed by keeping a concubine (he did not so much as think upon a maid, v. 1), so he was careful not to offer any injury to his neighbour's marriage bed. Let us see here, 1.
Commenting on Job 31:9-15
For it is a fire that consumeth to destruction,.... Referring either to the nature of the sin of uncleanness; it is inflammatory, a burning lust, a fire burning in the breast; see Co1 7:9; or to the effect of it, either the rage of jealousy in the injured person, which is exceeding fierce, furious, and cruel, like devouring fire, not to be appeased or mitigated...
In the earliest times punished with death (Gen 38:24). So in later times (Deu 22:22). Heretofore he had spoken only of sins against conscience; now, one against the community, needing the cognizance of the judge.