领导者的角色不是拥有所有的答案,而是提出正确的问题。
To love is to risk everything, but to not love is to risk even more.
数学家的工作是在别人看到混乱的地方发现模式。
协助儿童,能使你们之间建立起更亲密的关系。这胜过一般的感情,因为你不仅给他安慰,更给予了他们实际的帮助。
The historian must have a kind of faith that humanity will not and cannot perish.