The man of tricks and schemes will inevitably become a man with secrets. A man with secrets will inevitably become a man of deceptions. If deceptions live in a man's breast, he will not be equipped with a pure heart. If a man is not equipped with a pure heart, his spirit will be unsettled. If a man has an unsettled spirit, he will not be able to mount the Way. It is not that I don't know about such things, but I would be ashamed to do them.