每个孩子都应该在书中看到自己的影子。

No society can surely be flourishing and happy， of which the far greater part of the members are poor and miserable.

"If you surrendered to the air, you could ride it."

The young do not know enough to be prudent, and therefore they attempt the impossible – and achieve it, generation after generation.

技术应该服务于人，而不是让人去适应技术。

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。