But why do we have wisdom teeth if we often need to get them removed?

VOA: special.2011.08.10

But your food shall be the grasses of the field; By the sweat of your brow Shall you get bread to eat" So knowledge or wisdom or perhaps moral freedom seem to come at a very high price.

你也要吃田间的菜蔬;,你必须汗流满面,才得以糊口“,所以，人类为得到智慧，道德自由,付出了极大的代价。

耶鲁公开课 - 旧约导论课程节选

You believe everything. Next, you get a college education and you don't believe anything, and then you reach the level of wisdom, the Higher Naivete, and you know what to believe even though you can't prove it.

你会相信眼前的一切,然后你接受大学教育,这时你又开始怀疑一切了,最后你将达到,"高级天真"的智者境界,这时即使没有证据,你也会去相信

耶鲁公开课 - 古希腊历史简介课程节选

So they are certainly interconnected. However, just getting rid of the anxiety and the depression will not in and of itself make us happy, which is the conventional wisdom today, which is the conventional wisdom "Well,let's just get rid of that depression " and everything will be fine."

就是说他们必然是有关联的，然而，单单摆脱焦虑与压抑并不会,使我们快乐，这一点算是传统的常识，是很多从业的心理学家,“摆脱抑郁,一切都会变好的“

哈佛公开课 - 幸福课课程节选