For each of us there is a set limit to our intellectual powers which we cannot pass.

Hence reason also demands that, since our thoughts cannot all be true because we are not wholly perfect, what truth they do possess must inevitably be found in the thoughts we have when awake, rather than in our dreams.

The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.

The principal effect of the passions is that they incite and persuade the mind to will the events for which they prepared the body.

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

Desire awakens only to things that are thought possible.

Neither divine grace nor natural knowledge ever diminishes freedom.