最大的风险就是不冒任何风险。在这个快速变化的世界里，唯一注定失败的策略就是不冒险。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
数学是理性的音乐。
我大概永远也遇不到任何合理的问题。
我们必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。
The only way to tell the truth is to speak with kindness. Only the words of a loving man can be heard.