The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.
自由主义与共产主义之间，或民主与威权主义之间的伟大意识形态斗争，已被对自由民主可取性的一般共识所取代。
Self-education is, I firmly believe, the only kind of education there is.
科学家的工作永远不会结束。
生活中最鼓舞人心的事，莫过于看到一个人拥有正当合法的抱负，哪怕这抱负还很幼稚。
Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.
善于学习的人，能够透彻地知道事情的道理；善于实践的人，能够把事情疑难之处弄清楚。
Persistence is key in mathematical research; many great results come from long struggles.