Happiness is rarely absent; it is we that know not of its presence.
政府的科学是我必须研究的，比其他所有科学都要多；立法、行政和谈判的艺术应该取代，实际上在某种程度上排除所有其他艺术。
走出去不是目的，走进去才是成功。
如果你不改变，你就在落后。
A good novel tells us the truth about its hero, but a bad novel tells us the truth about its author.
教师的任务是唤醒创造性表达和知识的乐趣。