In other words, although I don't like them, we do need noble-spirited souls.

The faith a movement proclaims doesn't count: what counts is the hope it offers. All heresies are the banner of a reality, an exclusion. Scratch the heresy and you will find the leper. Every battle against heresy wants only this: to keep the leper as he is.

One can be a great poet and be politically stupid.

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.

A library's ideal function is to be a little bit like a bouquiniste's stall, a place for trouvailles.

That day, I began to be incredulous. Or, rather, I regretted having been credulous. I regretted having allowed myself to be borne away by a passion of the mind. Such is credulity.

Even today, I frequently meet scientists who, outside their own narrow discipline, are superstitious.