In all nations truth is the most sublime, the most simple, the most difficult, and yet the most natural thing.

If you are not feeling well, if you have not slept, chocolate will revive you. But you have no chocolate! I think of that again and again! My dear, how will you ever manage?

It is a disgraceful thing to be ignorant.

I am persuaded that the greater part of our complaints arise from want of exercise.

The heart has no wrinkles.

The desire to be singular and to astonish by ways out of the common seems to me to be the source of many virtues.

True friendship is never serene.