主题：当我在扎针的时候我是在做什么 -- 弦音醉舸

Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don't know we don't know. And if one looks throughout the history of our country and other free countries, it is the latter category that tend to be the difficult ones.

昏未？

有些东西，我们知道我们还不懂要研究它，才可以做根据。 有些东西，有些人觉得不用研究也懂了，现在就拿来做根据。 又一个分不清太阳从东边出来是坚实基础的观测，和太阳从西边出来是臆想。