—— 请按键盘 空白键 开始游戏 ——

Perhaps unhappiness can stem from having only one perspective to play with.
Mathematics is the foundation upon which we build our understanding of the world, and it is through this understanding that we can solve the most complex problems.
The act of writing is an act of rebellion.
乐观是正常的,但一些幸运的人比我们其他人更乐观。
天下的老百姓如果都向上统一于天子,而不向上统一于天的意志,那么灾祸就还没有完全离去。 
几何不仅仅是关于形状;它是关于理解我们生活的空间及其内部的关系。