"What's very interesting about vitamin D is that it's involved all throughout the body, and it's involved on a local level, so you can have vitamin D active in the breasts, in the prostate,in the colon, and it's thought that the locally-acting vitamin D is helping to protect the body against these cancers, regulating how cells grow and how cells die."

VOA: standard.2010.05.28

To philosophize is to learn how to die.

进行哲学讨论就是学习如何去死。

普林斯顿公开课 - 人性课程节选