—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
I think art is a way of keeping the fear of death at a distance.
He who refuses to do arithmetic is doomed to talk nonsense.
A true friend is someone who sees the pain in your eyes while everyone else believes the smile on your face.
Your voice matters, don’t silence it.