When he laughed, was witty, in a merry humor, one could scarce sees his eyes, and by and by, when he was serious and positive, he opened his eyes round.

当他笑时，他是睿智的，带有令人愉快的幽默，都看不见他的眼睛了，不一会儿，他变得严肃和积极了，便圆睁着眼睛。

耶鲁公开课 - 政治哲学导论课程节选

Here is a cartoon which actually illustrates a classic experiment by some physiologists who for some reason had a dog's brain opened up and started shocking different parts of the brain.

这是张卡通图画,实际上描绘了一个由生理学家,所做过的经典实验,出于某种原因,他们切开一只狗的大脑,对不同的大脑区域进行电击

耶鲁公开课 - 心理学导论课程节选