Job 10:21

“Before I go [whence] I shall not return, etc.] Before he went out of the world, the way of all flesh, to the grave, his long home, from whence there is no return to this world, and to the business and affairs of it; to a man’s house, his family and his friends, to converse with them as before, there will be no return until the resurrection, which Job does not here deny, as some have thought; it was a doctrine he well understood, and strongly asserts in (<181926>Job 19:26,27); but this must be understood in the same sense as in (<180709>Job 7:9,10); [even] to the land of darkness, and the shadow of death; which describes not the state of the damned, as some Popish interpreters, carry it; for…”

“Before I go - from where “I shall not return.” To the grave, to the land of shades, to “That undiscovered country, from whose bourne No traveler returns.” To the land of darkness - This passage is important as furnishing an illustration of what was early understood about the regions of the dead. The essential idea here is that it was a land of darkness, of total and absolute night. This idea Job presents in a great variety of forms and phrases. He amplifies it, and uses apparently all the epithets which he can command to represent the utter and entire darkness of the place. The place referred to is not the grave, but the region beyond, the abode of departed spirits, the Hades of the…”

“I go whence: Job 7:8-10, Job 14:10-14; Sa2 12:23, Sa2 14:14; Isa 38:11 the land: Job 3:5; Psa 88:6, Psa 88:11, Psa 88:12 the shadow: Job 3:5; Psa 23:4; Jer 2:6 Job 10:22”