中国文化的真正精神在于其能够吸收外来元素而不丧失自身特性。

The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.

If you're competitor-focused, you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

逻辑学研究不仅仅是关于形式系统，更是关于推理本身的本质。