The only way to get to the other side is to go through the door.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
探索計(jì)算復(fù)雜性是一段進(jìn)入未知的旅程，每一次發(fā)現(xiàn)都會(huì)打開新的門。
Computer programming is an art, because it applies accumulated knowledge to the world, because it requires skill and ingenuity, and especially because it produces objects of beauty.
優(yōu)秀的面包師不只是遵循食譜；他們理解食譜。
起初，這些產(chǎn)品都是一個(gè)大膽的賭注，明智的人(常常)擔(dān)心它們無法成功。當(dāng)我們?cè)?年前推出Prime服務(wù)時(shí)，它是一種新鮮的、未經(jīng)實(shí)踐證明的（有些人甚至?xí)f是魯莽蠻干的）概念： 無論什么物品都提供兩天內(nèi)送貨上門的服務(wù)，而客戶只需支付很少的包年費(fèi)用。
The secret to success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.
Hope is not an emotion, but a choice.
自由在于勇敢。
Innovation often happens at the intersection of disciplines.