One of my most productive days was throwing away 1000 lines of code.

The ability to focus attention is crucial for learning, memory, and performance in complex tasks.

采矿业是周期性的，但伟大的公司是由那些既能驾驭低迷期又能驾驭繁荣期的人建立的。

我不是说唱歌手，我是一个阿拉伯语的传奇。

"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."