All the passions make us commit faults; love makes us commit the most ridiculous ones.

It is safer to do most men harm than to do them too much good.

I always say to myself, what is the most important thing we can think about at this extraordinary moment.

The constancy of the wise is only the art of keeping disquietude to one's self.

The tranquility or agitation of our temper does not depend so much on the big things which happen to us in life, as on the pleasant or unpleasant arrangements of the little things which happen daily.

What men have called friendship is only a social arrangement, a mutual adjustment of interests, an interchange of services given and received; it is, in sum, simply a business from which those involved propose to derive a steady profit for their own self-love.

No men are oftener wrong than those that can least bear to be so.