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Newton's Principia: The Mathematical Principles of Natural Philosophy

Isaac Newton · Public domain text

258,603 words · about 18 h 7 min to read

Cover of Newton's Principia: The Mathematical Principles of Natural Philosophy

Text only · 2210 illustrations omitted. Illustrated source.

About this edition

The text of Newton's Principia: The Mathematical Principles of Natural Philosophy comes from Project Gutenberg e-text #76404. It is in English and public domain in the United States. Translated by Andrew Motte. RedLectern sets the text out for reading on screen; no words of the book are rewritten or summarized. More formats (EPUB, Kindle) · How RedLectern is built

This text-only edition leaves out 2210 illustrations. See the illustrated edition at Project Gutenberg.

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Contents (40)
  1. Opening under 1 min
  2. THE MATHEMATICAL PRINCIPLES OF NATURAL PHILOSOPHY, under 1 min
  3. DEDICATION. about 2 min
  4. INTRODUCTION TO THE AMERICAN EDITION. about 4 min
  5. LIFE OF SIR ISAAC NEWTON. about 1 h 25 min
  6. THE PRINCIPIA. THE AUTHOR'S PREFACE about 5 min
  7. BOOK I. THE MATHEMATICAL PRINCIPLES OF NATURAL PHILOSOPHY. DEFINITIONS. about 21 min
  8. AXIOMS, OR LAWS OF MOTION. about 26 min
  9. BOOK I. OF THE MOTION OF BODIES. SECTION I. about 16 min
  10. SECTION II. about 22 min
  11. SECTION III. about 16 min
  12. SECTION IV. about 11 min
  13. SECTION V. about 44 min
  14. SECTION VI. about 13 min
  15. SECTION VII. about 14 min
  16. SECTION VIII. about 9 min
  17. SECTION IX. about 20 min
  18. SECTION X. about 23 min
  19. SECTION XI. about 52 min
  20. SECTION XII. about 27 min
  21. SECTION XIII. about 18 min
  22. SECTION XIV. about 12 min
  23. BOOK II. BOOK II. under 1 min
  24. SECTION I. about 13 min
  25. SECTION II. about 36 min
  26. SECTION III. about 13 min
  27. SECTION IV. about 10 min
  28. SECTION V. about 20 min
  29. SECTION VI. about 40 min
  30. SECTION VII. about 1 h 9 min
  31. SECTION VIII. about 28 min
  32. SECTION IX. about 20 min
  33. BOOK III. BOOK III. about 1 min
  34. RULES OF REASONING IN PHILOSOPHY. about 3 min
  35. PHÆNOMENA, OR APPEARANCES. about 6 min
  36. PROPOSITIONS. about 4 h
  37. FOOTNOTES: about 1 min
  38. THE SYSTEM OF THE WORLD. under 1 min
  39. THE SYSTEM OF THE WORLD. about 2 h 7 min
  40. INDEX TO THE PRINCIPIA. about 18 min

The opening of DEDICATION.

TO THE TEACHERS OF THE NORMAL SCHOOL OF THE STATE OF NEW-YORK.

GENTLEMEN:—

A stirring freshness in the air, and ruddy streaks upon the horizon of the moral world betoken the grateful dawning of a new era. The days of a drivelling instruction are departing. With us is the opening promise of a better time, wherein genuine manhood doing its noblest work shall have adequate reward. TEACHER is the highest and most responsible office man can fill. Its dignity is, and will yet be held commensurate with its duty—a duty boundless as man's intellectual capacity, and great as his moral need—a duty from the performance of which shall emanate an influence not limited to the now and the here, but which surely will, as time flows into eternity and space into infinity, roll up, a measureless curse or a measureless blessing, in inconceivable swellings along the infinite curve. It is an office that should be esteemed of even sacred import in this country. Ere long a hundred millions, extending from the Atlantic to the Pacific, from Baffin's Bay to that of Panama, shall call themselves American citizens.

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