The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
我不是一个喜欢回头看的人。我总是向前看。
由于缺乏事实而产生的错误，远比基于真实数据但推理不当所产生的错误更多且更持久。