Mankind suffers from two excesses: to exclude reason, and to live by nothing but reason.

There are two equally dangerous extremes-to shut reason out, and to let nothing else in.

All that tends not to charity is figurative. The sole aim of the Scripture is charity.

Mankind suffers from two excesses: to exclude reason, and to live by nothing but reason.

Man's sensitivity to the little things and insensitivity to the greatest are the signs of a strange disorder.

When I consider the small span of my life absorbed in the eternity of all time, or the small part of space which I can touch or see engulfed by the infinite immensity of spaces that I know not and that know me not, I am frightened and astonished to see myself here instead of there … now instead of then.

Man is full of desires: he loves only those who can satisfy them all. "This man is a good mathematician," someone will say. But I have no concern for mathematics; he would take me for a proposition. "That one is a good soldier." He would take me for a besieged town. I need, that is to say, a decent man who can accommodate himself to all my desires in a general sort of way.