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.

In the matter of a difficult question it is more likely that the truth should have been discovered by the few than by the many.

All is to be doubted.

There is a great difference between mind and body insomuch as body is by nature always divisible, and the mind is entirely indivisible.

At last I will devote myself sincerely and without reservation to the general demolition of my opinions.

Variant: When it is not in our power to follow what is true, we ought to follow what is most probable.

There is nothing more ancient than the truth.