The older I get, the more I realize how little I know.
随着年龄增长，我越发意识到自己知之甚少。
释义：高大的泰山，如果背对也会看不见；细毛的末端，如果仔细去看也能看清。
当你停止相信的那一刻，你就已经失败了。
On marketing: "In the old world， you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world， that inverts."
I ought to have judged by deeds and not by words.
The most successful companies are those that adapt quickly to change.