最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。
Do what you can, with what you have, where you are.
"We are all broken, that's how the light gets in."
People don't buy what you do; they buy why you do it.
数学不是关于数字、方程、计算或算法的：它是关于理解的。