Making simple signs with her hands was not enough.

VOA: special.2009.11.08

I think the simple fact of the matter is we don't know enough about consciousness yet to know whether or not it can be explained in physical terms.

一个简单的事实就是,我们对于意识了解甚少,还不知道是否能使用物理的方式对其进行解释

耶鲁公开课 - 死亡课程节选

You'll see enough things that will confound you, but right now I want to demonstrate a simple paradigm of what it means to know the present and what it means to say this is what the future behavior will be.

你将会发现很多物理问题会让你困扰,而眼下我会举一个例子来阐述,什么叫了解现在,什么又叫预测未来

耶鲁公开课 - 基础物理课程节选