I guess it is a good picture of how we humans have both sides in us: we wish to change the world, but forget to begin with ourselves.

我想这十分形象的反映了人类的两面性：我们希望改变这个世界，但忘了先从自身开始。

youdao

Now you can begin to see the kinds of errors that this method might produce because people forget, they can't remember exactly how much they ate of things, or they may not be willing to disclose everything they ate.

现在你就可以明白各种误差,是由人们的遗忘而产生的,他们无法准确记得吃了多少东西,他们不会透露所有自己吃的东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Even with all the familiar faces, you begin to forget at times that this is a movie.

FORBES: Steven Spielberg's 'Lincoln' Lives Up To The Hype