en_tn/job/32/07.md

Length of days should speak; a multitude of years should teach wisdom

These two lines mean the same thing. Elihu emphasizes that since older people are wiser than younger people, they should be the first to speak of what they know. AT: "He who has lived many years should speak; He would is older should teach wisdom" (See: rc://en/ta/man/translate/figs-metonymy and rc://en/ta/man/translate/figs-parallelism)