Every failure is a step closer to the answer.

A good algorithm is like a good story: it has a clear beginning, middle, and end.

意识不是一个实体而是一个过程

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

Philosophy is not a doctrine but an activity.

历史总是由胜利者书写的。