生活就是你梦中看到的电影。
可持续性不是成本，而是对我们未来的投资。
The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.
最有力的故事是那些提出问题，而非给出答案的故事。
The poor often lack the information needed to make good choices, and when they do have it, they often don’t trust it.
The world is my country, all mankind are my brethren, and to do good is my religion.