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DISCOURSE ON THE METHOD OF RIGHTLY CONDUCTING THE REASON AND SEEKING FOR TRUTH IN THE SCIENCES

If this Discourse appears too long to be read all at once, it may be separated into six portions. And in the first there will be found various considerations respecting the sciences; in the second, the principal rules regarding the Method which the author has sought out; while in the third are some of the rules of morality which he has derived from this Method. In the fourth are the reasons by which he proves the existence of God and of the human soul, which form the foundation of his Metaphysic. In the fifth, the order of the questions regarding physics which he has investigated, and particularly the explanation of the movement of the heart, and of some other difficulties which pertain to medicine, as also the difference between the soul of man and that of the brutes. And in the last part the questions raised relate to those matters which the author believes to be requisite in order to advance further in the investigation of nature, in addition to the reasons that caused him to write.

PART I

Good sense is of all things in the world the most equally distributed, for everybody thinks himself so abundantly provided with it, that even those most difficult to please in all other matters do not commonly desire more of it than they already possess. It is

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