Everything bears yin and embraces yang. Opposition is a great primitive law of the prehistoric universe. Since time immemorial, there have been two realms, where water and fire are always incompatible. Follow the will of heaven to ascend to the holy realm, and defy the sky to fall into the realm of demons. However, good and evil How to distinguish? Natural laissez-faire and absurd redemption, which is right and wrong? The vast world, the gathering of wind and clouds, who is in charge of the ups and downs, let's see the difference.