Can you make a novel, as he says in the essay, that will "sprout wings and grow claws" in secret in his mind? That's an image taken from the metamorphosis of the butterfly within the chrysalis.

你能够让一本小说，就像他在那篇文章里说的那样，会在他,脑海里秘密的“展开翅膀，伸出爪子“？，这是从蝴蝶羽化中,借鉴来的比喻。

耶鲁公开课 - 1945年后的美国小说课程节选

We talked about two weeks ago, that if you had a population of cells, you could grow those population of cells and you could make, if they adapted the culture properly, you could make an infinite number of cells from one starting solution.

两周前我们讲到,如果你有一群细胞,你可以使细胞数量增长,如果培养得当,你可以,从开始的营养液中制造出无限数量的细胞

耶鲁公开课 - 生物医学工程探索课程节选

That explains, in large part, why there was such a decline in population, why the Dark Ages were so dark, lots of poverty, lots of starvation, but also, as I suggested when I spoke of this earlier, also the freedom if you could make it, to learn and also to grow stronger.

这解释了,在绝大部分地区,为什么存在着这一类的人口消减,为什么黑暗时代如此黑暗,如此贫困,如此多的饥荒,但是同时,就如在我之前所提到的,同样可以,如果做得到的话,去学习以及使自身强大

耶鲁公开课 - 古希腊历史简介课程节选