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?

I don’t know what the market is going to do. I just try to buy things that are cheap.

Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.

我不创造乌托邦；我只做可能的事。