The Protestants say that it is the duty of every person to read, to understand, and to believe this revelation—that a man should use his reason; but … - Robert Green Ingersoll

In the progress of mankind, the few have been the nearest right. There have been centuries in which the light seemed to emanate only from a handful of men, while the rest of the world was enveloped in darkness. Some great man leads the way—he becomes the morning star, the prophet of a coming day. Afterward, many millions accept his views. But there are still heights above and beyond; there are other pioneers, and the old day, in comparison with the new, becomes a night. So, we cannot say that success demonstrates either divine origin or supernatural aid.

^23. “But the Lord thy God shall deliver them unto thee, and shall destroy them with a mighty destruction, until they be destroyed. ^24. “And he shall deliver their kings into thine hand, and thou shalt destroy their name from under heaven; there shall no man be able to stand before thee, until thou have destroyed them.”^{— Deut. Vii.} If these words had proceeded from the mouth of a demon, if they had been spoken by some enraged and infinitely malicious fiend, I should not have been surprised. But these things are attributed to a God of infinite mercy.

It certainly is no proof that a man is inspired simply because he is right.