面临大事与难事，可看出一个人的责任；处顺境逆境，可看出一个人的胸襟气度；遇喜事怒事，看一个人的涵养；与同辈相处，可看一个人的见识。

记忆不仅仅是私人的，它也是集体的。

理论地理学是科学的女王，因为它独力处理事物在空间中的排列。

贫贱是苦难的境界，能很好地居于其境者就苦中有乐；富贵是快乐的境地，不能很好地对待富贵的人便会乐极生悲。

Productivity is often a distraction. Don’t aim for better ways to get through your tasks as quickly as possible， rather aim for better tasks that you never want to stop doing.

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.

我不是一个喜欢平凡的人。