If you can't explain your chemistry to a non-scientist, you don't understand it well enough.
美德只能在平等中繁荣。
我从不追求完美,因为完美是不存在的。
作为科学家,我们有责任以易于理解和接受的方式向公众传达我们的发现。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.