On the Nature of Things (Watson translation) by Titus Lucretius Carus (c. 99 BCE - 55 BCE)

04 - Book 2, pt 1 - Praise of philosophy. Properties of the atoms: weight, combination, swiftness.

18 - Book 6, pt. 3 - About the temperature of waters. About magnets and why metals are attracted to them. About the origin and cause of diseases. Description of the plague that depopulated Athens during the Peloponnesian war.

17 - Book 6, pt. 2 - Origin of water-spouts, clouds, rain, rainbow, earthquakes and other phenomena. About the seas and volcanoes. About rivers and lakes.

16 - Book 6, pt 1 - Panegyric on Athens. Meteoric appearances in the heaven. Causes of shooting stars, lightning, thunderbolts. Ridicule of those who attribute the origin of the storms to gods.

00 - Preface and Remarks on the life and poem of Lucretius

11 - Book 4, pt 2 - Other senses: sound, taste and odor. Imagination and thought are produced by means of images. The nature of dreams. The use of the organs of the body.

10 - Book 4, pt 1 - Theory of image. Vision is produced by the impact of images on the eye. Senses may be trusted; false opinions arise from false reasoning about the testimony of senses.

09 - Book 3, pt 3 - Death is the end of man, and nothing should be feared after it. All suffering happens only during life. All men die, good or bad, and death should be contemplated with calmness and reason.

08 - Book 3, pt 2 - The substance of the mind and the soul. The soul and the body can’t be separated without destruction of both. Twenty arguments which prove that the soul perishes with the body, contrary to the Pythagorean theory.

12 - Book 4, pt 3 - Motion in animals and motion in images. Sleep and causes of dreams. Love and desire and their influence.