Full Idea
Wickedness is a sedition and illness of the soul.
Clarification
'Soul' is the Greek word 'psuché', which covers mind and consciousness and life
Gist of Idea
Wickedness is an illness of the soul
Source
Plato (The Sophist [c.358 BCE], 228b)
Book Reference
Plato: 'The Sophist', ed/tr. Bernadete,Seth [University of Chicago 1986], p.17