—— 请按键盘 空白键 开始游戏 ——

The strongest weapon you have is your mind. Train it well.
The act of reading is an act of resistance in a landscape of distraction.
当你解决一个数学问题时,你不仅得到了答案,还理解了为什么这是答案。
Innovation is not a slogan, but action.
知识只有在分享时才有价值。