Be strict with yourself and forgiving of others. The reverse is hell for everyone.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
Talent is how quickly your skills improve when you invest effort. Effort is what makes skill productive.
可持续性不仅是责任,也是创新的机会。
The line between madness and genius is drawn by those who fear both.
The heart is a fragile thing, but it is also the source of our greatest strength.