How did that change happened, was that always there, were you always looking at how did this thought affect the way we actually live our lives?

这种转变是怎样发生的？,这种转变一直存在吗？还是说您总是在思考,这种思想是怎样影响我们的,生活方式？

普林斯顿公开课 - 人性课程节选