效率是把事情做对，而效能是做对的事情。

The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

农业现代化不是简单的机械化，而是要让农民真正掌握科技，用智慧种地。