Unalterable shall be what I may bring into being, Neither recalled nor changed shall be the command of my lips."

我所创造的事物永不得更改，一言既出，永不召回或更改“

耶鲁公开课 - 旧约导论课程节选

At the same time it's also clear that this epiphany is a remembered experience. It's recalled.

同时很明显这一顿悟,是一种记忆经验，它是被召回的。

耶鲁公开课 - 现代诗歌课程节选

We are the Harvard Callbacks We have a special Valentine's Day message dedicated from the teaching staff to the students.

我们是“哈佛召回“组合,想向教员和同学们,传达一份特殊的情人节讯息。

哈佛公开课 - 幸福课课程节选