The Principles of Philosophy

By

Rene Descartes

TRANSLATED BY JOHN VEITCH, LL. D.

SELECTIONS FROM THE PRINCIPLES OF PHILOSOPHY

OF

RENE DESCARTES

(1596-1650)

From the Publisher's Preface.

LETTER OF THE AUTHOR

TO THE MOST SERENE PRINCESS,

OF THE PRINCIPLES OF HUMAN KNOWLEDGE.

PART II OF THE PRINCIPLES OF MATERIAL THINGS.

PART III. OF THE VISIBLE WORLD.

PART IV. OF THE EARTH.