—— 请按键盘 空白键 开始游戏 ——

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
不要轻易放弃,坚持到底就是胜利。
In electronics, the smallest component often makes the biggest difference. Never underestimate the power of precision.