A thing of beauty is a joy forever: its loveliness increases; it will never pass into nothingness.
过去总是紧张的,未来是完美的。
Many backward steps are made by standing still.
最民主的建筑是为每个人服务的建筑。
伽罗瓦表示的研究证明了代数方法的力量。
Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.