种一棵树最好的时间是20年前，第二好的时间是现在。
The best time to plant a tree was 20 years ago. The second best time is now.
The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; he confuses it with feeling.
如果你不愿意冒险，就永远不会取得伟大的成就。
Psychology must be independent of philosophy and physiology.
Life is too short to drink bad wine or read bad books.
"The key to innovation in computer science is not just technical skill, but creative thinking."
