If an angel were to tell us about his philosophy, I believe many of his statements might well sound like '2 x 2= 13'.

Erudition can produce foliage without bearing fruit.

Whenever he composes a critical review, I have been told, he gets an enormous erection.

A book which, above all others in the world, should be forbidden, is a catalogue of forbidden books.

One must judge men not by their opinions, but by what their opinions have made of them.

How might letters be most efficiently copied so that the blind might read them with their fingers?

One is rarely an impulsive innovator after the age of sixty, but one can still be a very fine orderly and inventive thinker. One rarely procreates children at that age, but one is all the more skilled at educating those who have already been procreated, and education is procreation of another kind.