当课堂只追求“有趣”，知识就失去了厚度。
The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.
The only thing we have to fear is fear itself.
The past is never dead. It's not even past.
这不是关于完美，而是关于真实。
写作就是呼吸，呼吸就是生活。
The power of abstraction is crucial in computer science, allowing us to focus on the essential aspects of a problem.