赚钱的最好方法是不亏钱。

In time of war, when truth is so precious, it must be attended by a bodyguard of lies.

The hours of folly are measured by the clock, but of wisdom: no clock can measure.

Cada libro es un mundo por descubrir, lleno de sorpresas y enseñanzas.

最重要的是保持最重要的事情最重要。