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He rejects the summum bonum, the ‘highest good’ that humans can attain, instead emphasising the summum malum, the innate hope to avoid a sudden, violent death as drivers of human action.
He rejects the idea of natural inequality between men and women, masters and slaves. Instead he argues all are equally capable of rational thought.
He rejects the idea of humans as inherently political animals, with a sense of good and evil. This is due to his rejection of Aristotelian thick sociability, and his claim that humans, while not incapable of it, are not naturally inclined towards sociability.