—— 请按键盘 空白键 开始游戏 ——

The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
简单生活,高尚思考:这是通往真正幸福的道路。
Time moves differently in memory than it does in life.
"The greatest reward for an actor is the silent understanding between the character and the audience."