Happiness is not something ready-made. It comes from your own actions.
The language of chemistry is universal, transcending borders and cultures.
我不想成为环境的产物。我希望环境成为我的产物。
世界需要更多像工程师一样思考的科学家,以及更多像科学家一样思考的工程师。
The modern state is a product of the European experience.