Fear is a powerful motivator, but it's also a liar.

我不会让消极情绪偷走我的快乐。

The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.

The mind is a temporal pattern of processes.

The relation between what we see and what we know is never settled.

一本书是一面镜子：如果傻瓜往里看，智者也无法从中看出什么。