It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.
人们是否在使用清洁能源、交通运输是否在优化、互联网是否在变得更好等等，这些工作都很重要。即使是少数人也可以影响这个世界。
I'm obsessed with revolution, I'm obsessed with authenticity.
热机的动力与实现它的工质无关；其量仅由最终实现热量转移的物体之间的温度决定。
At twenty-one, I was a divorced single mother. At thirty, I was struggling to feed my children. At forty, I was starting over in a new country. At fifty, I was rebuilding my career. At sixty, I walked the runway at Fashion Week. Life begins at every age—if you dare to make a plan.