经济学特别是宏观经济学中说的投资是耐用资本品如厂房设备的生产，而平常说的“投资”是指购买资产如股票，这和经济学中的投资不同，为了区分，这种投资被称为金融投资。
Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:
I always tell people, if you want to be successful, find someone who has achieved the results you want and copy what they do and you'll achieve the same results.
我思考历史的重量。
忽视海洋资源的国家，就是在忽视自己的未来。
The most important decision is your attitude towards the world.