Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?
時(shí)間和其他材料一樣，是我不斷使用的材料。
Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.
I'm not going to keep on knocking that old door that doesn't open for me. I'm going to create my own door and walk through that.