—— 请按键盘 空白键 开始游戏 ——

Mathematics is a creative endeavor, just like art or music.
我反对重复;每个项目都是一次新的冒险。
当你停止追求进步的那一刻,就是你开始死亡的那一刻。
The artist's responsibility is to create works that stand the test of time.