Within very little time, the whole world will be made to feel better.

只需要很短的时间，整个世界都会感觉更加美好。

哈佛公开课 - 幸福课课程节选

Again, this probably should be cleaned up and in a couple of weeks we'll spend a day or half period trying, to clean it up and make it somewhat more precise.

以上内容还有待梳理,未来两周我们将会花上一天半左右的时间,试着梳理这些内容,使其更加精确

耶鲁公开课 - 死亡课程节选