The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

这个世界的问题在于愚者和狂徒对自己如此确信，而智者却充满疑虑。

伟大人物的行动，不必拘守先例与常规，能立义就可以称贤。

Nature is the best teacher for architects.

The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it; and habit fills up what remains.

The main purpose of the stock market is to make fools of as many men as possible.