since he is born with weapons for the use of wisdom and virtue, he may use them for the opposite ends.

人生下来就有可以运用智慧和美德的利器,但人也可以用这利器反其道行之

耶鲁公开课 - 古希腊历史简介课程节选

I simply want to point out enough about the problem to help you see why I don't think free will is a slam-dunk for the soul.

我只是想尽可能地,把这个问题提出来,以帮助你们认识到,为什么我不认同自由意志是灵魂的制胜利器

耶鲁公开课 - 死亡课程节选

It's really been a powerful tool in molecular biology because I might have a very small copy of a gene that I'm interested in and I can make enough copies that I can start to do something else with it.

这确实是分子生物学的一项利器,因为我可能只有,很少量的感兴趣的基因拷贝,而我可以马上制造出足够数量的复制品,能使我用作其他用途

耶鲁公开课 - 生物医学工程探索课程节选

Well, it would be useful because if I could take cells from the skin, find stem cells in the skin and then de-differentiate them so that they were now capable of becoming liver, or brain, or things that they're not going to become in their normal site, then that could be a very powerful tool for medicine.

这是因为,如果我能取一些皮肤细胞,找一些皮肤干细胞,并将它们去分化,那它们就能分化成肝脏,大脑或其他一些,它们原本分化不出来的细胞,这可以成为一个医学利器

耶鲁公开课 - 生物医学工程探索课程节选