所有模型都是错误的,但有些是有用的。
The only limit is the one you set yourself.
教育不仅仅是往头脑里填塞事实,而是点燃好奇心和批判性思维的火花。
The most successful societies in the future will be those that are able to combine the efficiency and technological dynamism of the market with the social safety nets and political stability provided by the state.