Children need love, especially when they do not deserve it.
孩子需要爱,尤其是当他们不值得被爱的时候。
When you work on hard problems long enough, you start to see connections where others see only confusion.
优秀的数学家应该既严谨又富有想象力。
写作是一种治疗方式,有时我想每个人都应该写作,这样就不需要心理分析师了。