Common sense is the most fairly distributed thing in the world, for each one thinks he is so well-endowed with it that even those who are hardest to satisfy in all other matters are not in the habit of desiring more of it than they already have.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
Everything is self-evident.
When it is not in our power to follow what is true, we ought to follow what is most probable.
The first precept was never to accept a thing as true until I knew it as such without a single doubt.
There is nothing so strange and so unbelievable that it has not been said by one philosopher or another.