预测未来的最好方法是研究过去。
The best way to predict the future is to study the past.
我们必须倾听场地;它会告诉我们该做什么。
The source of every crime, is some defect of the understanding; or some error in reasoning; or some sudden force of the passions.
我们不必比别人更聪明,但必须比别人更有纪律性。