Never stop learning, because the world never stops changing.

You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.

I wanted to write a book about memory because I think it's one of the most fascinating things about being human.

天下只有具体的事物（器）存在。所谓规律（道）是事物的规律，不能将事物说成是规律的事物。