【译文】 孔子说：“年轻人值得敬佩，怎知后代不如今人？四五十岁还默默无闻的人，就没什么前程了。”

我们在Facebook上试图做的事情，就是帮助人们更有效地连接和沟通。

People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken. You see them going around with notebooks, scraping the dirt off gravestones, reading microfilm, just in the hope of seeing this trickle in time, making a connection, rescuing one thing from the rubbish.

用昨天的方法做今天的工作，明天就会失业。

I am not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me.