2, "Book of Changes under the copula" original: poverty will change, change will pass, and the general rule will last for a long time.

3. "Quiet is thinking, thinking is changing, changing is communicating, and reaching is communicating" means that anyone who takes quietness first, doesn't like things, and doesn't feel sorry for himself should have a normal mind about everything. Only by calming down can he really think about the problem. Especially nowadays, people lack thinking, and only when they think can they have thoughts. The big one is called thought, and the small one is called idea. With ideas and ideas, we will think about how to change.