地理学的研究是研究人与环境之间的关系。

因果推断不仅仅是统计显著性；它关乎理解数字背后的机制。

过去总是紧张的，未来是完美的。

How will you use these gifts？ And will you take pride in your gifts or pride in your choices？

Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.

我相信艺术改变世界的力量。

The best way to predict the future is to create it.