Job 24:17

17. Shadow of death Delitzsch, Dillmann, and others, make this phrase equivalent to depth of night the subject of the verb. The passage reads, For to them all, the depth of night is morning: because they know the terrors of thick darkness (shadow of death.)

Know To be familiar with. Mercerus had early and fortunately hit upon the sense, “Nocturnal terrors are familiar to him; he neither fears nor cares for them… as if he had entered into a compact with them that they should not hurt him.” Midnight is his morning. The shadow of death is his daybreak when he rises to his work. He is as much at home in the horrors of darkness as the good are in the light of day.