The Lives and Opinions of Eminent Philosophers · Chapter
Leucippus explained
This chapter introduces Leucippus, the first philosopher to propose atoms as fundamental principles.
What happens
This chapter introduces Leucippus, the first philosopher to propose atoms as fundamental principles. It describes his doctrines on the infinite universe, the void, the formation of worlds through vortices, and the nature of celestial bodies, including the sun, moon, and stars.
Themes in this chapter
Natural Philosophy and Cosmology
Leucippus explains the origin of worlds, the nature of the sun, moon, and stars, and the role of necessity in cosmic processes.
Characters to notice
- Leucippus
Native of Velia, Abdera, or Melos; pupil of Zeno; first to posit atoms as principles.
- Zeno of Citium
Mentioned as Leucippus's teacher.
Key passages
“He was the first philosopher who spoke of atoms as principles.”
Leucippus was the first thinker to introduce atoms as the fundamental building blocks of reality.
Highlights his pioneering role in atomism.
“the worlds were produced by bodies falling into the vacuum, and becoming entangled with one another”
Worlds form when bodies fall into the void and become entangled, creating vortices.
Describes his cosmogony.