特别
We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.
The more you like yourself， the less you are like anyone else， which makes you unique.
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:
2000年10月29日，在南京大学捐资设立杨振宁奖学金时，杨振宁表示，虽然我父亲是大学教授，但因为通货膨胀，家里很穷，生活很艰苦，是奖学金帮我度过了难关。近几年多次在大陆访问，看到不少青年学生因家境困难而影响学业，感到很伤心，所以就有了这么个想法。杨振宁说
巴菲特批评自己在航空业投资的错误时说
有人质疑巴菲特的投资策略只是运气好而已，他讲了一个有关机率的故事回答它们