永远不要停止学习。当你认为自己无所不知时，就是你失败的时候。

Pain is temporary. Quitting lasts forever.

The power of accurate observation is commonly called cynicism by those who have not got it.

如果我觉得所在的城市美丽迷人，那么我的生活一定也是如此。 《伊斯坦布尔：一座城市的记忆》

我们不必如此努力。

学习之道，没有什么比能够弄清事物的始末，来龙去脉更重要的。

He who wants to do good knocks at the gate； he who loves finds the gate open。

Topology is the study of the properties of a figure that are unchanged by any deformation.

我是个幸存者，我不会放弃，我不会停下，我会更加努力。