Like the Cynics and the Cyrenaics, Euclides started from the Socratic principle that virtue is knowledge.
CYRENAICS, a Greek school of philosophy, so called from Cyrene, the birthplace of the founder, Aristippus.
Socrates had spoken of the higher pleasures of the intellect; the Cyrenaics denied the validity of this distinction and said that bodily pleasures as being more simple and more intense are to be preferred.
This extreme or "pure" hedonism regarded as a definite philosophic theory practically died with the Cyrenaics, though the same spirit has frequently found expression in ancient and modern, especially poetical, literature.
See also, beside works quoted under Cyrenaics, Epicurus, &c., and the general histories of philosophy, J.