I hope that posterity will judge me kindly, not only as to the things which I have explained, but also to those which I have intentionally omitted so as to leave to others the pleasure of discovery.

Your joy is your sorrow unmasked. And the self-same well from which your laughter rises was often-times filled with your tears.

Thus each truth discovered was a rule available in the discovery of subsequent ones.

And as it is the most generous souls who have most gratitude, it is those who have most pride, and who are most base and infirm, who most allow themselves to be carried away by anger and hatred.

And I shall always hold myself more obliged to those by whose favour I enjoy uninterrupted leisure than to any who might offer me the most honourable positions in the world.

I can doubt everything, except one thing, and that is the very fact that I doubt. Simply put - I think, therefore I am

The entire method consists in the order and arrangement of the things to which the mind's eye must turn so that we can discover some truth.