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:
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。
When you doubt your power, you give power to your doubt.
好的设计就是尽可能少的设计。
Learning to read involves the development of attentional networks that allow children to focus on letters and words while ignoring distractions.
In a world of asymmetric information, the design of mechanisms to ensure transparency and fairness is crucial.
我不想被记住，我想活着。
音乐是一种道德律，它使宇宙有了魂魄，心灵有了翅膀，想像得以飞翔，使忧伤与欢乐有如醉如痴的力量，使一切事物有了生命；它是秩序的本质，引向成为真、善、美的一切。
创新不是口号，而是每天都要做的事情。
渔业管理的创新是保护海洋生态系统的关键。