He who seeks truth should be of no country.

The mouth obeys poorly when the heart murmurs.

It is not the answers you give, but the questions you ask.

To pray to God is to flatter oneself that with words one can alter nature.

We are going to a new world... and no doubt it is there that everything is for the best; for it must be admitted that one might lament a little over the physical and moral happenings of our own world.

When his highness sends a ship to Egypt, does he trouble his head whether the mice on board are at their ease or not?

There is no such thing as an accident. What we call by that name is the effect of some cause which we do not see.