心灵是生物的问题解决装置。

The greatest happiness is to transform one's feelings into action.

【译文】我每天多次省察我自己：为别人做事有没有尽力，和朋友交往有没有不真诚，教别人的东西自己有没有研习好。

I'm not trying to be cool, I'm just being me.

"Books are mirrors: you only see in them what you already have inside you."

The documenta must always remain a question, never an answer.