学习交易的最好方法就是交易。
The best way to learn trading is to trade.
The true value of coal lies in how we extract and use it responsibly.
The beauty of physics lies in its ability to explain the complex with the simple.
The best preparation for good work tomorrow is to do good work today.
过去是一个不同的国度，他们做事的方式不同。
"Psychology must focus on the utility of mental operations."
不断思考你如何能做得更好，并不断质疑自己。
写作是对遗忘的一种抵抗。