The question isn't who is going to let me; it's who is going to stop me.
The best investment you can make is in yourself.
There is no shortcut in science, only down-to-earth work.
生活是世界上最为罕见的事情。大多数人只是存在,仅此而已。
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。