每一个行动都应当遵循道德和正义。
Every action should follow morality and justice.
Quality is not a theory; it is a practice.
The pursuit of knowledge is a journey that never ends, and each discovery opens the door to new questions.
I think the best way to learn is by doing.
大分子的概念并不容易被接受;它需要化学家对物质结构的思考方式发生彻底的改变。