Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
最个人的东西也是最普遍的。
创新不仅仅是技术的问题;它关乎改变思维方式,拥抱新的思考方法。
数学不是关于数字、方程、计算或算法:它是关于理解的。
"Fear is inevitable, I have to accept that, but I cannot allow it to paralyze me."