墨子诸子里最不像哲学家、却最早写下逻辑学和光学的那一派

十分钟读懂《墨子》——一群穿草鞋的人，把战国最强的攻械挡在宋国城外Mozi in 10 Minutes — Men in Straw Sandals Who Kept the Best Siege Engines of the Warring States Outside the Walls of Song