—— 请按键盘 空白键 开始游戏 ——

如果你对每隻向你吠的狗,都停下来扔石头,你永远到不了目的地。
You will never reach your destination if you stop and throw stones at every dog that barks.
一切迄今为止社会的历史都是阶级斗争的历史。
In the end, the value of a theory is not in its complexity, but in its ability to explain and predict.
Mathematics is the art of giving the same name to different things.