I am indeed amazed when I consider how weak my mind is and how prone to error.

I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.

I concluded that I might take as a general rule the principle that all things which we very clearly and obviously conceive are true: only observing, however, t…

Except our own thoughts, there is nothing absolutely in our power.

I don't believe that any human mind is capable of 100 percent error... Nobody is smart enough to be wrong all the time.

I cannot reach it, and my striving eye Dazzles at it, as at eternity.

There is nothing that comes closer to true humility than the intelligence. It is impossible to feel pride in one's intelligence at the moment when one really a…