The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
"You can call me artist, you can call me idol, or any other thing you want. I don’t care, I’m proud of it."
"To be Irish is to know that in the end the world will break your heart."
生命太短暂,不能浪费时间恨任何人。
A real decision is measured by the fact that you’ve taken a new action. If there’s no action, you haven’t truly decided.
我们无法改变任何事物,除非先接受它。谴责不会解放,反而会压迫。