Let's just notice that there's a difference between saying can't be seen through the eyes and can't be observed through one sense or the other.

我们只需注意到,说眼睛看不到,和不能通过感官感知到,这两者是有区别的。

耶鲁公开课 - 死亡课程节选

People are bodies that can think, that can communicate, that are rational, that can plan, that can feel things, that can be creative, and so forth and so on.

人是可以思考,可以互相交流的肉体,他有理性,可以规划,可以感知,有创新等各种能力

耶鲁公开课 - 死亡课程节选