[167] Accordingly, he says, in another passage, that "all things which are bound with a chain are pure;" [106] since unbinding is the cause of the destruction of that which is impure. Beware, then, lest when you see a man accomplishing without difficulty all the objects which he endeavours to effect, you admire him as a prosperous man; take care rather to pity him as a very unfortunate one, because he passes his whole life in a perfect destitution of virtue and a great abundance of vice.