77

O.66

critical of men have, about once per decade, passed in the twinkling of an eye from a state of utter doubt about some personal concern to a feeling of strange confidence about it which I have usually ignored and have invariably found veridical.

I formerly proposed a theory of the genesis of common-sense conjectures which, like some other theories of mind, proved more satisfactory to some persons of high intelligence than it did to myself. I will not here repeat it; for I consider it to be refuted. Several series of facts, which I may some day set forth,