Start where you are, with what you have. Make something of it and never be satisfied.
我认为阅读行为赋予读者一种对外部世界的敏感,这是不读书的人有时缺乏的。
Time is a concept that is derived from the way we perceive change.
The key to successful data management is understanding the data. If you don't understand your data, you can't manage it effectively.