Patience and persistence are the keys to unlocking the mysteries of mathematics.
A picture must be grasped at once, as a whole, like a piece of music.
人们时常觉得有必要拿出自己特意准备好的一面来展示给路人看——就像是布置商店橱窗一样——而这样的展示一旦时过境迁,也就无须太放在心上了。
History is a nightmare from which I am trying to awake.