The unity of knowledge and action is not only a theoretical issue but also a practical one.
知行合一不仅是一个理论问题，也是一个实践问题。
Investors should focus on the things they can control and ignore the noise of the market.
"We are not seven, we are one. We are bulletproof."
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
"Memory is a fragile thing, easily distorted by time and emotion."
The language of chemistry is universal, transcending borders and cultures.