The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.
The key to successful data management is understanding the data. If you don't understand your data, you can't manage it effectively.
没有听到的不如听到的,听到的不如见到的,见到的不如了解到的,了解到的不如去实行,学问到了实行就达到了极点。
如果你对一个问题的看法可以从你对另一个问题的看法中预测出来,你已经受制于一种意识形态。实际上当你真正独立地思考一个问题,你的结论无法被预测。