剖面图是建筑师最具揭示性的图纸。

数学中的每一个问题都是学习新东西的机会。

We burn very brightly. Please don't ever stop .

There was never a century nor a country that was short of experts who knew the Deity's mind and were willing to reveal it.

一本好书的标准在于它能在多大程度上扰乱和困扰读者。