真理是一种发生在观念上的东西。
Thinking is the hardest work there is, which is probably the reason why so few engage in it.
幸福不是现成的东西。它来自你自己的行动。
The beauty of mathematics only shows itself to more patient followers.
最好的交易者不是那些最常正确的人,而是那些在错误时损失最少的人。