Buddha uses words first, then acts on his own, then teaches silent teaching, then makes an invisible trip, and carries out various legal meanings according to the roots of all beings. Words are only the convenience of initial teaching and entry. You are struggling for the appearance of words, if you don't keep quiet.

The Buddha told the world that all laws are impermanent, all walks of life have no self, and nirvana is silent. Fifth, burn down the house, don't indulge in pleasure, burning your body will eventually get confused. Samsara, the only multiplication and liberation. Buddha talks about four noble truths, twelve causes, eight sufferings, origin and extinction, the meaning of practice, the method of adjusting one's mind, and all kinds of things, which are so deep in jurisprudence that it is difficult to exhaust one's wisdom.