Worry and life and death are all produced by self-nature, which is the function of self-nature. The self is empty, but it can produce wonders. There is trouble and life and death because all beings are fascinated by their own nature, and the illusion produced by being fascinated is wonderful. It can also be said that all things are bodhi, all things are nirvana, the clouds are light and the wind is light, flowers are blooming, and mountains and rivers are coming. This is the supreme law of Zen and the first meaning of Tathagata. But for people with superior root organs, theoretical clarity is meaningless. In fact, it is difficult to practice meditation to that self-nature, that is, to see nature with a clear heart. Without the guidance of good knowledge that has already been seen, it is all blind practice, and one mistake is enchanted. So Zen is declining day by day, because there is no good knowledge. As the material world becomes more and more abundant, there are more and more distractions of all beings, and the roots are getting worse and worse. Meditation Buddhism is still the most secure. If you can't see sex in this life, you can definitely see sex in Elysium.