— Democritus Ancient Greek philosopher, pupil of Leucippus, founder of the atomic theory
Freeman (1948), p. 166
Durant (1939), Ch. XVI, §II, p. 352 (footnote); citing F. Uberweg, History of Philosophy, New York, 1871, vol. 1, p. 71.
Variante: To a wise and good man the whole earth is his fatherland.