Further, all wickedness makes one more unjust, and incontinence seems to be wickedness, the incontinent being the sort of man that acts in accordance with his appetite and contrary to his reason, and shows his incontinence when he acts in accordance with his appetite; but to act unjustly is voluntary, so that the incontinent will act unjustly by acting according to his appetite; he will then act voluntarily, and what is done according to appetite is voluntary.