On vacation go to the most remote place on your itinerary first， bypassing the cities. You‘ll maximize the shock of otherness in the remote， and then later you’ll welcome the familiar comforts of a city on the way back.
中心地的等级越高，其服务的区域越大，此类中心地的数量越少。
I always try to transform my weaknesses into my strengths.
可持续性不是一种选择，而是一种责任。
Patience is the most important skill in life.
追求数学真理就是追求美、优雅和简洁。
人类的创作犹如自然的创作一样，真正地说起来，值得注意的主要是动机。
The only way to do great work is to love what you do.