From time to time you may stumble， fall， you will for sure， count on this， no doubt， you will have questions and you will have doubts about your path. But I know this， if you’re willing to listen to， be guided by， that still small voice that is the G.P.S. within yourself， to find out what makes you come alive， you will be more than okay. You will be happy， you will be successful， and you will make a difference in the world.

理解就是感知模式。

A building must be rooted in the ground but open to the sky.

计算理论为理解什么可以计算、什么不能计算提供了基础。