—— 请按键盘 空白键 开始游戏 ——

当我们为后代考虑而采石时,石头就变成了桥梁,而不仅仅是资源。
"Mathematics is the music of reason."
你无法控制海浪,但你可以学会在任何天气中航行。
The novel is a mirror that reflects the complexities of human nature and society.
The joy of mathematics comes from the struggle to understand.
The essence of poverty is that tomorrow’s uncertainties devour today’s possibilities.