Geometry is not just about shapes; it is about understanding the space we live in and the relationships within it.

我旅行得越多，就越确信世界充满了奇迹，而人类只是大自然浩瀚中的一粒尘埃。

The secret to success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

平等对待用户

人们哭泣比改变要容易得多。