理解一个国家的首要条件是闻一闻它的味道。
The first condition of understanding a foreign country is to smell it.
We must be free not because we claim freedom, but because we practice it.
绘画就是在画布上呼吸生命，捕捉瞬间的灵魂。
不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.
Life is too short to waste time on things that don’t matter.
【释义】社会常把内向病理化，凯根用实验证明：内向气质是大脑独特的生物设定，藏着深度思考与独立创新的宝藏。