—— 请按键盘 空白键 开始游戏 ——

A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
一个好的数学家是能看到定理之间类比的人;一个伟大的数学家是能看到类比之间的类比的人。
人生没有如果,只有后果和结果。
Don't wait for the perfect moment. Take the moment and make it perfect.
信任的人不忠诚,忠诚的人不信任。