The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.

Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.

Financial opening should be steadily advanced under the premise of risk prevention and control.

良心是书中之书。

音乐有治愈、激励和团结人们的力量。

One of my most productive days was throwing away 1000 lines of code.

幸福来自内心。

写作是一种生活方式，一种存在方式，一种在世界中存在的方式。