<P> "To work, then; and if you know something, then teach me; I shall be extremely grateful to you . In the meantime, as I prepare to examine Things, I shall raise the question anything is known, and if so, how, in the introductory passages of another book, a book in which I will expound, as far as human frailty allows, the method of knowing . Farewell . </P> <P> WHAT IS TAUGHT HAS NO MORE STRENGTH THAN IT DERIVES FROM HIM WHO IS TAUGHT . </P> <P> WHAT?"--Francisco Sanches (1581) Quod Nihil Scitur p. 100 </P> <P> "If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties ."--Francis Bacon (1605) The Advancement of Learning, Book 1, v, 8 </P>

Who came up with what is now known as the problem of induction