Existence is not its own justification.
Our greatest ability as humans is not to change the world, but to change ourselves.
Globalization is not a multiple-choice question, but a required question.
可持续发展不仅仅是保护树木，更是确保人类与自然都能繁荣的未来。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.