The task of economics is not only to interpret phenomena, but also to provide practical advice and policies for society.
经济学的任务不仅在于解释现象，更在于为社会提供实际的建议和政策。
Emancipate yourselves from mental slavery, none but ourselves can free our minds.
我试着以开放的心态和积极的态度面对生活。
O homem só é verdadeiramente livre quando reconhece a sua dependência dos outros.
The best way to understand something is to try to change it.
每个人都是道德的铸造者。
爱是最强烈的关注形式。