The scientific skepticism of our age professes to spring from a sense of the extreme fallaciousness of the human senses, and the liability besetting us all to deceive ourselves into a belief which gratifies the faculty of wonder. It is held as a rare and valuable gift to be able to observe a fact correctly. We are pathetically told that what a man thinks he saw, is often a mere hypothesis of his imagination as to what he saw, and may be wholly wrong.

p. 1-2 - Testimony: its Posture in the Scientific World (1859)