Job continues talking about what would have been true if he had never been born. He is sad that these things are not true. (See: [[rc://en/ta/man/translate/figs-hypo]])
"I would be resting with princes." In this phrase, the words "lying" and "resting" are a polite way of saying "no longer alive." (See: [[rc://en/ta/man/translate/figs-euphemism]])