不要赔钱!!!客观地评估每个机会的风险。
I'm not a gambler. I don't believe in luck. I believe in hard work and preparation.
我们只能看到前方很短的距离,但我们可以看到那里有很多需要做的事情。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
"In mathematics, you don't understand things. You just get used to them."