When you're different, sometimes you don't see the millions of people who accept you for what you are. All you notice is the person who doesn't.
成功是个糟糕的老师。它诱使聪明人以为自己不会失败。
系统辨识是从观测到的输入输出数据中建立动态系统数学模型的科学与艺术。