—— 请按键盘 空白键 开始游戏 ——

Every decision we make today shapes the world we will live in tomorrow.
To do mathematics is to engage in an act of creation and discovery simultaneously.
Innovation distinguishes between a leader and a follower.
Life is like a piano. The white keys represent happiness and the black keys show sadness. But as you go through life's journey, remember that the black keys also create music.