If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
交易市场就象上帝一样，帮助那些自助者。但是和上帝不同的是，交易市场不会原谅那些不知道自己在做什么的人。
在每个问题中，都有一个等待被发现的隐藏模式，作为数学家，我们的责任就是去揭示它。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
The more you sweat in peace, the less you bleed in war.
