成功交易的关键是知道何时买入和何时卖出。
The key to successful trading is to know when to buy and when to sell.
Were it left to me to decide whether we should have a government without newspapers, or newspapers without a government, I should not hesitate a moment to prefer the latter.
逻辑学研究不仅仅是关于形式系统，更是关于理解人类推理的本质。
To lead is to serve, not to command.
你越是处于感恩的状态，你就会吸引更多值得感恩的事情。
经验不过是人们给自己的错误取的名字。