If you can't explain your chemistry to a non-scientist, you don't understand it well enough.
如果你无法向非科学家解释你的化学研究，说明你理解得还不够深入。
活着是世上最稀有的事情。大多数人只是存在而已。
The only way to do great work is to love what you do.
The only way to do great work is to love what you do.
如果农民不能有效使用，最先进的技术也毫无价值。