Sentiments concerning nature with which philosophers were delighted
Book I.
Book II.
Book III.
Book IV.
Book V
Empedocles declares, that the distance of the moon from the sun is double her remoteness from the earth. The mathematicians, that her distance from the sun is eighteen times her distance from the earth. Eratosthenes, that the sun is remote from the earth seven hundred and eighteen thousand furlongs.