地球是一个圆点。月亮是一个圆点。太阳是一个圆点。星星是圆点。

测量地球是地理学的基础。

The process of writing can be magical. Mostly, you'll be staring at the computer screen trying not to distract yourself with the internet. But sometimes, if you're lucky, inspiration will come.

教育不是填满一个桶，而是点燃一把火。