Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something.

Even if I were to suppose that I was dreaming and whatever I saw or imagined was false, yet I could not deny that ideas were truly in my mind.

The rainbow is such a remarkable phenomenon of nature, and its cause has been so meticulously sought after by inquiring minds throughout the ages, that I could not choose a more appropriate subject for demonstrating how, with the method I am using, we can arrive at knowledge not possessed at all by those whose writings are available to us.

We never understand a thing so well,and make it our own, as when we have discovered it for ourselves.

But possibly I am something more than I suppose myself to be.

The object of music is a Sound. The end; to delight, and move various Affections in us.

Because reason...is the only thing that makes us men, and distinguishes us from the beasts, I would prefer to believe that it exists, in its entirety, in each of us.