关于一件艺术作品的最高问题是：它源于多么深邃的生活。
The supreme question about a work of art is out of how deep a life does it spring.
Sometimes the questions are complicated and the answers are simple.
如果你没有时间，你就没有优先事项。
预防性医疗的悖论：越需要的人越不重视。
The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.
避免痛苦的唯一方法就是不要有足够的闲暇去思考你是否快乐。