John Trapp on Job 21:29

Verſe 29. Have ye not asked them that go by the way?] The cauſe of that their raſh judgement, Job ſheweth here to be their ignorance of things known to every ordinary paſſenger, and ſuch as whereof there are many pregnant proofes and Examples every where. Some by them that go by the way, underſtand men by experience ſuch as have gone many voyages, &c. made many obſervations in their Travels of things remarkable: their notes are here called their tokens. By thoſe that go by the way, others underſtand Abraham the Hebrew (ſo he is called, Gen. 14.13. that is, that Tranſ-Euphrataean; Or, He that paſſed over the River Euphrates, when he paſſed by the way from Chaldea to Canaan) and his Progeny Iſaac and Jacob, who were paſſengers and pilgrims; and could tell by experience, that men greatly afflicted may be yet favoured of God, and in due time delivered. Abraham had ten ſore trials, and yet the friend of God. Iſaak, beſides many other ſharp afflictions all along his pilgrimage, was blind for above twenty years before his death. Few and evil were the dayes of the years of Jacob, his whole life almoſt one continuate affliction; and yet it was, Jacob have I loved. Of all this, Job likely was not ignorant, and why ſhould his friends?

And do ye not know their tokens?] Or, Their tokens you ſhall not be eſtranged from, Broughton thus; So ye would not make their ſignes ſtrange. There will be ſo much evidence of truth in what they ſay, that you will not be able to gainſay it.