你必须不断思考你能做些什么来让世界变得更美好。
You have to keep thinking about what you can do to make the world a better place.
The world is almost peaceful when you stop trying to understand it.
A leader's job is to create more leaders, not more followers.
我们必须重新思考与自然的关系，以确保长期生存。
The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.