You have to be willing to make mistakes regularly; there is nothing wrong with it. Michael taught me about making your best judgment, being wrong, making your next best judgment, being wrong, making your third best judgment, and then doubling your money.

化学的艺术在于能够分离、识别并确定构成物质的成分及其数量。

对冲低油价的最佳方法是降低盈亏平衡成本。