商业成功始于诚信，没有诚信，再好的战略也会失败。
Success in business starts with integrity—without it, even the best strategies will fail.
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
数学的本质在于它的自由。
调动洋人的敌对国家来攻打洋人，学习洋人先进的技术来制服洋人。