If you're not failing occasionally, you're not pushing the boundaries enough.

Every book is a door that opens onto another world, and every reader is a traveler who steps through it.

"The pressure is a privilege."

发现可能性的极限的唯一方法是超越它们进入不可能的领域。

在一个资源匮乏的世界里，最有价值的资源不是石油或黄金，而是想象力。

译文：人生得一知己必须要对知己问心无愧，读书人多读书，一定要学以致用。赏析：做人做事凭着良心方能服众，才不会招致怨愤和祸患。读书的目的就是学以致用，我们不能读死书，死读书，我们要让书中的知识来指导我们的生活。

Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics: