The greater the obstacle, the more glory in overcoming it.

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.

最好的侦探故事是那些侦探和罪行一样复杂的故事。

The fundamental principle of security is to minimize the amount of trust you place in other components.