改变不会一夜之间发生，但每一步前进都是朝着正确的方向迈出的一步。
Change doesn't happen overnight, but every step forward is a step in the right direction.
The companies that will succeed are those that view environmental challenges as business opportunities.
即使没人相信你，也要相信自己。
解决一个数学问题就是揭开宇宙拼图的一块。
I was not born blind, I became blind at the age of 12. So I have seen the world and I know what things look like. When I sing about love and pain, joy and sadness, I know what I'm singing about.
我们知识的边界就是我们想象力的前沿。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.