Be slow to fall into friendship，but when you are in，continue firm and constant.

If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.

The most important thing in directing is to have a clear vision of what you want to achieve.

药物遇到同类之气才能成形，大道在虚无缥缈中与自然相合。

Every soul is immortal.

Every observation we make is a step closer to unraveling the mysteries of the universe.

创新不仅仅是技术，更是改变思维方式。