Beauty is how you feel inside and it reflects in your eyes. It is not something physical.
数学家的模式,就像画家或诗人的模式一样,必须是美丽的;思想,就像颜色或文字一样,必须以和谐的方式结合在一起。
勇气不是没有恐惧,而是战胜恐惧。
广告的目的是销售。这是唯一的目的。
If you want to make a difference, you have to be willing to take risks.
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.