One could conceive of other abstract systems, the consequences of which could be calculated, without it being necessary to provide a realization in a… - Fred Hoyle

There is an important difference between an advance in science and achievements in the humanities. A great musician consumes intellectual capital, he does not supply it, or at least it is usual for him to consume more than he creates. It has been impossible to use the motto theme of the Fifth Symphony after Beethoven used it. In science, on the other hand, the situation is the other way round. A breakthrough invariably opens up more new problems to be solved. A Newton or an Einstein may leave the world with a century or more of clearing up to be done.

Between the ages of five and nine I was almost perpetually at war with the educational system. ...As soon as I learned from my mother that there was there was a place called school that I must attend willy-nilly—a place where you were obliged to think about matters prescribed by a 'teacher,' not about matters decided by yourself—I was appalled.

Experience shows that knowledge dies very hard once it has been obtained—the acquisition of knowledge is essentially irreversible, a truth already recognized in the Garden of Eden.