translation.en: Well, really, this is a picture drawn from the 1500s of the Fountain of Youth. Aging is considered one of the most familiar, yet the least well-understood, aspects of all of biology, and really, since the dawn of civilization, mankind has sought to avoid it.
translation.zh: 这是一幅十五世纪的图。 画中是不老泉。老化被认为 最熟悉，但却是了解最少的 一个生物领域之一。 自文明之初，人类就已经开始避免它。