预测是非常困难的，尤其是关于未来。

The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential.

翻译：尺蠖弯曲身体是为了前进，龙蛇蛰伏是为了保存自己。