—— 请按键盘 空白键 开始游戏 ——

在不确定的时期,目标的清晰性变得更加关键。
我不认为每个人都应该成为数学家,但我确实相信许多学生没有给数学一个真正的机会。
You can’t let fear dictate your life.
I don't try to time the market. I just try to buy stocks that are undervalued.
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
今天我们种下的每一棵树都是留给后代的遗产。
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.