人们知道,人体上生了毒疮、肿瘤,外科医生要用解剖刀把它割除。同样,人思想上得了“毒脓”、“肿瘤”,也要有一把解剖刀清除它。这把解剖刀就是批评与自我批评。当年鲁迅先生就把批评与自我批评比作解剖刀的,他说:我的确用这把刀“时时解剖别人,然而更多的是无情面地解剖我自己 People know that people have had poisonous sores and tumors, and surgeons use scalpels to cut it off. Similarly, people think “poison pus”, “tumor”, but also have a scalpel to clear it. This scalpel is criticism and self-criticism. In the past, Mr. Lu Xun compared criticism and self-criticism to a scalpel. He said: I did use this knife to "dissect others from time to time. However, I often dissect myself more ruthlessly