任何认真从事任何科学工作的人都会意识到,在科学殿堂的大门上方写着这样的文字:你必须有信仰。
The essence of a free government consists in an effectual control of rivalries.
I would rather live my life as if there is a God and die to find out there isn't, than live as if there isn't and to die to find out there is.