道的根本来源于天，如果天不改变，道也不会改变。
故事是作者写给自己的一封信，但允许他人阅读。
The future belongs to those who see possibilities before they become obvious.
Intelligence is not about replacing humans, but enhancing human capabilities.
You have to believe in yourself when no one else does.
The complexity of a learning problem is often determined by the size and structure of the hypothesis space.