I desire to live in peace and to continue the life I have begun under the motto 'to live well you must live unseen

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

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.

We do not describe the world we see, we see the world we can describe.

Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

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

... regard this body as a machine which, having been made by the hand of God, is incomparably better ordered than any machine that can be devised by man, and contains in itself movements more wonderful than those in any machine. ... it is for all practical purposes impossible for a machine to have enough organs to make it act in all the contingencies of life in the way in which our reason makes us act.