There is nothing more interesting to people than their own problems. Think about what others are dealing with, and try to come up with ideas to help them. Almost anyone, however senior or important, is receptive to new ideas provided they are thoughtful.
人们总觉得最有意思的话题就是与自己相关的话题。所以，要善于分析他人的问题所在，并尝试提出办法来帮助他人。几乎所有的人，无论他声名多么显赫、地位多么高贵，都愿意接受新的想法，当然，前提是这些想法必须经过深思熟虑。
我们都是自己的幽灵，游荡在自己的生命里。
数学让我们看到支配周围世界的隐藏结构。
我不是因为快乐而歌唱，我歌唱是因为我快乐。
The discipline of desire is the background of character.