The great challenge of our time is to build institutions that can manage the complexity of modern societies.
A philosophical problem has the form: "I don't know my way about."
What is necessary to change a person is to change his awareness of himself.
孩子们需要故事来帮助他们应对生活的复杂性。
成功不是给予的，而是赢得的。
I don’t compare myself to anybody.