—— 请按键盘 空白键 开始游戏 ——

The best moments in our lives are not the passive, receptive, relaxing times... The best moments usually occur if a person's body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
Every aspect of learning or any other feature of intelligence can in principle be so precisely described that a machine can be made to simulate it.