孩子是最诚实的评论家；他们会直接告诉你他们的想法。

The history of life is a history of transformation.

Humor is a way to deal with the absurdity of life.

宇宙并不需要与人类的野心完美和谐。

Education is the most powerful weapon which you can use to change the world.

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.

马克思的功绩在于他忽然在社会思想史上产生了一个质的变化。他解释历史，理解其动力，预测未来，但除了预测之外，他还表达了一个革命性的概念：世界不仅必须被解释，还必须被改变。

成功的配方：少承诺，多给予。