A composer's biography is written in his scores, not in his letters or diaries.

释义：人必须在现实事务中进行磨练，才能立定脚跟，无论外界是月朗风清还是狂风骤雨，都能保持内心平静坚定。

学习新编程语言的唯一方法是用它编写程序。

Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.