“内耗”从物理学上说是“机械或其它装置本身所消耗的没有对外做功的能量”。不幸的是在社会生活、人际关系中,这种不做功的“内耗”也屡有发生。在我国历史上因兄弟之间争权夺位,互相残杀,结果两败俱伤而失天下的事例甚多。《三国演义》中袁绍一再战败,忧愤而死后,长子袁谭与幼子袁尚自相残杀,曹操乘机离间袁氏兄弟,攻下冀州,灭尽袁氏而得天下。曹操在世时,曹植深得其宠,几乎被立为是子,因此受到曹丕的迫害,最后忧 “Internal friction ” from the physics to say “The energy that the mechanical or other device itself consumes without doing work”. Unfortunately, in social life and interpersonal relationships, this kind of non-work-related “internal friction” also occurs frequently. In the history of our country, there are many cases of losing ground because of the struggle between the brothers to seize power and kill each other. In the “Three Kingdoms” Yuan Shao repeatedly defeated, angrily died, the eldest son Yuan Tan and son Yuan Shang fratricide, Cao Cao took the opportunity to leave the Yuan brothers, captured Jizhou, get rid of the Yuan Dynasty and get the world. When Cao Cao was alive, Cao Zhi won his favor and was almost established as a child, so he was persecuted by Cao Pi and finally worried