化学的语言是普遍的，它的符号被所有国家理解。

The study of law involves both the analysis of legal rules and the understanding of their social context.

对少数人有用的东西对多数人不起作用。

"The only limit to our realization of tomorrow will be our doubts of today."

创造高效和选择性催化剂的挑战让我每天都充满动力。