过去无法改变，但未来可以。

A book is a version of the world. If you do not like it, ignore it; or offer your own version in return.

Words are the bridge between the inner and outer world.

Deposit insurance changes the behavior of both banks and depositors.

人工智能的未来在于制造能够理解和推理世界的机器。

质量不仅仅是一个目标，它是一个旅程。