创新并不是对每件事都说“是”，而是对除了最关键功能之外的一切说“不”。
不要赔钱！！！客观地评估每个机会的风险。
There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.
经济学特别是宏观经济学中说的投资是耐用资本品如厂房设备的生产，而平常说的“投资”是指购买资产如股票，这和经济学中的投资不同，为了区分，这种投资被称为金融投资。
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.