The art of doing mathematics consists in finding that special case which contains all the germs of generality.

Consumer choices drive industry change—educate them fiercely.

You don't have to be a mathematician to have a feel for numbers.

发明的进步使人类拥有了世纪前最大胆的想象也无法梦见的力量。

积极心理学不仅仅是微笑；它是关于什么使生活值得过的科学研究。