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

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

I think; therefore I am.

Illusory joy is often worth more than genuine sorrow.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

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.