—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just a collection of abstract theories, but a language that describes the universe.
Nothing is more beautiful than the loveliness of the woods before sunrise.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
最伟大的故事是那些留下伤痕的故事。
证明的严谨性将数学与所有其他科学区分开来。
The poor often lack the information needed to make good choices, and when they do have it, they often don’t trust it.