數(shù)學(xué)中的合作是必不可少的；思想的交流導(dǎo)致了任何單一思維都無(wú)法獨(dú)自實(shí)現(xiàn)的突破。
兩個(gè)相愛的人，獨(dú)自與世界隔絕，這是美麗的。
Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.