That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
唯一真正的监狱是恐惧，唯一真正的自由是从恐惧中解脱。
"Drawing is not what one sees but what one can make others see."
Books make great gifts because they have whole worlds inside of them.
It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.
When we write programs that "learn", it turns out that we do and they don't.