过去总是紧张的，未来是完美的。

The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.

【解释】脑力劳动者统治人，体力劳动者被人统治；被统治者养活别人，统治者靠别人养活，这是通行天下的原则。

El lenguaje es la patria última del escritor.