Nothing down there is what they say.
Mathematics is the language with which God has written the universe.
如果你需要一只援助之手，你可以在自己的任何一只手臂下找到;隨著年齡的增長，你會發(fā)現(xiàn)你有兩只手，一只用來幫助自己，另一只用來幫助別人。
"Books are the way that we communicate with the dead. The way that we learn lessons from those who are no longer with us, that humanity has built on itself, progressed, made knowledge incremental rather than something that has to be relearned, over and over."