People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed; never throw out anyone.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
You have to find in yourself what makes you different from everybody else.
做出伟大工作的唯一方法就是热爱你所做的事。