Have you never asked those who travel the roads? Do you not accept their reports?
In these verses, I. Job opposes the opinion of his friends, which he saw they still adhered to, that the wicked are sure to fall into such visible and remarkable ruin as Job had now fallen into, and none but the wicked, upon which principle they condemned Job as a wicked man.
Commenting on Job 21:27-34
That the wicked is reserved to the day of destruction?.... That is, that they are spared, withheld, restrained, as the word (d) signifies, or kept and preserved from many calamities and distresses, which others are exposed unto; and so are reserved, either unto a time of greater destruction in this life or rather to eternal destruction in the world to come; which is the same...
Job, seeing that the friends will not admit him as an impartial judge, as they consider his calamities prove his guilt, begs them to ask the opinion of travellers (Lam 1:12), who have the experience drawn from observation, and who are no way connected with him. Job opposes this to Bildad (Job 8:8) and Zophar (Job 20:4). tokens--rather, "intimations" (for example, inscriptions, proverbs, signifying the results of their observation), testimony.