毫无疑问,通过将以自我为中心的生活换成无私的生活,我们获得了强烈的自尊。无私的人,即便是那些最谦卑的,他们的虚荣都是无边的。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
世界上充满了显而易见的事情,却没有人注意到。