And in general, when people devote a lot of energy or money or expense to something, they are extraordinarily resistant to having it proven wrong.

一般来说，当人们投入的精力，金钱或成本越多时，他们就越不会相信自己是错的。

耶鲁公开课 - 心理学导论课程节选

Any want or a satisfaction which exists exists in some amount and is therefore measurable.

任何需求或满足，都能有个价钱,因此能用金钱衡量。

耶鲁公开课 - 公正课程节选