Although an emotionally narrow and fanatical philosophy, Stoicism proved to have positive influences on human rights and equality in the 16th to 18th centuries.
Epicurus believed the gods had no interest in human affairs and people should always pursue happiness, but to remember that dynamic sexual love was harmful.
The Sceptics eschewed belief, although they denied nothing, and this caused great contrasts between two of its key players. Both, however, were ignoble, the first through brutality and strictness, the second through laxness and dissolution.
Sold for $100 with a flock of sheep, Sojourner Truth rose from abject slavery to tell the world that Christ came from God and a woman – and man had nothing to do with it.