The number 3, not only can't I see it, I can't taste it. I can't hear it.

数字3不仅看不到，我也尝不到，听不到。

耶鲁公开课 - 死亡课程节选

Can anyone not see it? Does anyone need -- actually I can't even tell if you raise your hand. So ask your neighbor if you can't see it and get one of the plates if you're having trouble seeing with the glasses. So this should match up with the spectrum that we saw.

有人没看到的吗？,有人需要-实际上你们举手我也看不见,看不到的话就问你们周围的人借个小片,如果你们用眼镜看不到的话,这应该和我们看到的光谱是吻合的。

麻省理工公开课 - 化学原理课程节选

Even if I believe in a soul, I don't see it.

即便我相信灵魂存在,我也看不到它

耶鲁公开课 - 死亡课程节选

Now in fact, this may come as a surprise to you, I don't have ESP, I'm not a character out of the X-Men, so you can't actually see brain waves emitting from my head, and my reasoning doesn't affect your reasoning.

事实上,这绝对是不可能的,我没有超能力,我也不是X-Men,所以你根本看不到我大脑发出的脑波,我的推理不会影响到你

耶鲁公开课 - 博弈论课程节选