要理解一个程序，你必须同时成为机器和程序。
To understand a program you must become both the machine and the program.
我这一代人最伟大的发现是，一个人可以通过改变态度来改变他的生活。
The true way is along a rope that is not spanned high in the air, but just above the ground. It seems intended more to cause stumbling than to be walked upon.
我不追求完美，只追求真实。