Single Idea 369

[catalogued under 27. Natural Reality / E. Cosmology / 1. Cosmology]

Full Idea

If the earth is spherical and in the middle of the heavens, it needs neither air nor force to keep it from falling. The uniformity of heaven and equilibrium of earth are sufficient support.

Gist of Idea

If the Earth is spherical and in the centre, it is kept in place by universal symmetry, not by force

Source

Plato (Phaedo [c.374 BCE], 108e)

Book Reference

Plato: 'The Last Days of Socrates', ed/tr. Tredennick,Hugh [Penguin 1969], p.171