I write what I write.

Listening doesn't mean trying to understand. Anything, however trifling, may be of use one day. What matters is to know something that others don't know you know.

Books are not made to be believed, but to be subjected to inquiry.

Not that the incredulous person doesn't believe in anything. It's just that he doesn't believe in everything.

A monk should surely love his books with humility, wishing their good and not the glory of his own curiosity; but what the temptation of adultery is for laymen and the yearning for riches is for secular ecclesiastics, the seduction of knowledge is for monks.

The function of memory is not only to preserve, but also to throw away. If you remembered everything from your entire life, you would be sick.

Captain Cook discovered Australia looking for the Terra Incognita. Christopher Columbus thought he was finding India but discovered America. History is full of events that happened because of an imaginary tale.