DEMETRIUS of Phalerum, an Athenian orator, statesman, philosopher, and poet. Born 345 B.C.
Democritus of Abdera (460-361 B.C.), celebrated as the 'laughing philosopher,' whose constant thought was 'What fools these mortals be.' He invented the Atomic Theory.
Dio of Syracuse, a disciple of Plato, and afterwards tyrant of Syracuse. Murdered 353 B.C.
Diogenes, the Cynic, born about 412 B.C., renowned for his rudeness and hardihood.
Diognetus, a painter.
Dispense with, put up with.
Dogmata, pithy sayings, or philosophical rules of life.
EMPEDOCLES of Agrigentum, fl. 5th century B.C., a philosopher, who first laid down that there were "four elements." He believed in the transmigration of souls, and the indestructibility of matter.
Epictetus, a famous Stoic philosopher. He was of Phrygia, at first a slave, then freedman, lame, poor, and contented. The work called Encheiridion was compiled by a pupil from his discourses.
Epicureans, a sect of philosophers founded by Epicurus, who "combined the physics of Democritus," i.e. the atomic theory, "with the ethics of Aristippus."