The album "No Line on the Horizon" took the band about two years to complete.

VOA: special.2009.04.10

And you don't get a complete straight line but you get an interesting function that suggest that there's a relationship.

你不会得到一条完整的直线,但会得到一个有趣的函数,表明他们之间的某种关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选