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shows that he will correct many errors of first impressions; and this is the broof that there is a difference between good reasoning and bad, although he will undoubtedly once in a while commit errors that future inquiry will disclose.

Now let us ask again in what sense it is true and in what sense false that he "rests on the assumption that what seems good reasoning is so."
If this means merely that he, a fallible being, then he believes that all his results will be true, he does nothing of the kind.
If it means that criticism is worthless, because some liability to error remains, it is on the contrary true that many errors are in that way discovered.
If it means that believes what he does believe it is an empty truism.

The truth is that the opinion that "every reasoning rests on the assumption