Cherish those who seek the truth but beware of those who find it.

It is proved...that things cannot be other than they are, for since everything was made for a purpose, it follows that everything is made for the best purpose.

God created woman to tame man.

The supposed right of intolerance is absurd and barbaric. It is the right of the tiger; nay, it is far worse, for tigers do but tear in order to have food, while we rend each other for paragraphs.

The system of Descartes... seemed to give a plausible reason for all those phenomena; and this reason seemed more just, as it is simple and intelligible to all capacities. But in philosophy, a student ought to doubt of the things he fancies he understands too easily, as much as of those he does not understand.

The sentiment of justice is so natural, and so universally acquired by all mankind, that it seems to be independent of all law, all party, all religion.

This agglomeration which was called and which still calls itself the Holy Roman Empire was neither holy, nor Roman, nor an empire.