At the Chicago White Sox U.S.Cellular Field on Chicago's South Side, the 30-year-old pitcher retired all 27 batters from the Tampa Bay Devil Rays without allowing anyone to reach first base, pitching a perfect game and putting his name in a record book occupied by only 17 others in Major League history.

VOA: standard.2009.07.24

When you're pitching someone, the best thing you can do is show them something that works.

当你向别人推荐产品的时候，最好的办法就是,向他们展示好用的东西。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选