—— 请按键盘 空白键 开始游戏 ——

The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.
I have to remind myself that some birds are not meant to be caged. Their feathers are just too bright.
关键是设定现实的客户期望,然后不仅要满足它们,还要超越它们——最好是以意想不到和有益的方式。