Men show their character in nothing more clearly than what they think laughable.

I will listen to anyone's convictions, but pray keep your doubts to yourself.

I have never looked at foreign countries or gone there but with the purpose of getting to know the general human qualities that are spread all over the earth in very different forms, and then to find these qualities again in my own country and to recognize and to further them.

I do not speak of what I cannot praise.

Two souls dwell, alas! in my breast.

We can really respect a man only if he doesn't always look out for himself.

Hypotheses are the scaffolds which are erected in front of a building and removedd when the building is completed. They are indispensable to the worker; but the worker must not mistake the scaffolding for the building.