I made one great mistake in my life—when I signed the letter to President Roosevelt recommending that atom bombs be made; but there was some justification—the danger that the Germans would make them.. 講返Pauling 拒絕Oppenheimer 之後既生活就好慘，由於大戰在即而Pauling 又一直同美國政府唱反調而被打壓，主張反戰反核既Pauling未被當時反共情緒高脹既社會接納，而被屈係共產黨。為左阻止佢去其他地方遊說，佢本passport 都比人取消埋，搞到佢親身拎唔到第一個諾貝爾獎。但佢堅持主張停止核武測試而四出遊說，最後令美國、蘇聯同英國都停左核武測試而得到諾貝爾和平獎。