The truth is rarely pure and never simple.

农民是我们经济中唯一必须以零售价购买一切，以批发价出售一切，并支付双向运费的人。

I think it's important to take risks and not be afraid to fail.

世界是一本书，不旅行的人只读了一页。

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.

子贡说：“贫穷却不阿谀奉承，富贵却不狂妄自大，怎样？”孔子说：“可以。不如穷得有志气，富得有涵养的人。”子贡说：“修养的完善，如同玉器的加工：切了再磋，琢了再磨，对吧？”孔子说：“子贡啊，现在可以与你谈诗了。说到过去，你就知道未来。”