To understand the present, we must dig into the past.
要理解现在，必须挖掘过去。
The only way to deal with the past is to confront it.
效率是把事情做对，而效能是做对的事情。
The best time to plant a tree was 20 years ago. The second best time is now.
The reason for time is so that everything doesn't happen at once.
Technology without application scenarios is like water without a source.