They named their albums "Volume One" and "Volume Two" for the same reason.

VOA: special.2010.05.07

The reason we picked these two cities we asked realtors- Karl Case, who's my colleague, he teaches at Wellesley College.

我们选择这两个城市的原因,我询问了房产经纪人,卡尔·科斯是我的同事,他在韦尔兹利大学教书

耶鲁公开课 - 金融市场课程节选

That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Reason Two (To Be An Optimist): Student Pilot Solos at 91!

FORBES: NYT Publisher Goes on Left-Wing Rant at Graduation

Reason two to consider Simon: self-interest.

FORBES: The Upside Of Optimism

For good reason nearly two-thirds of Americans say they want to stay out of Libya.

FORBES: Libya: Another Unnecessary War Of Choice