Some of you will choose cognitive science instead

有些人会选认知科学
but on a more serious note

可以毫不夸张的说
I know for some of you this is the last--

我知道对一些人来说
maybe the first but the last psychology class you'll ever take.

这也许是第一次也是最后一次上心理学课
And so I want to close this course by emphasizing two themes.

所以我想强调两点来结束这门课
The first one is a bit of humility.

第一点有点好笑
There are some very basic questions about the mind

关于思想有些很基本的问题
and I've tried to be honest about this throughout the course--

我在整个这门课中都很诚恳地告诉大家
There are some very basic questions about the mind

关于思想有些很基本的问题
that nobody knows the answer to yet.

至今无人能解答
We know the brain is the source of mental life

我们知道大脑是精神生活的来源
but we don't have any

但我们完全不知道