《逸周书·卷十·武纪解》
让他立世有害，毁掉他有利，攻下他容易，吞并他可行，就按时讨伐，这叫做 四顺 。
立之害，毁之利，克之易，并之能，以时伐之，此谓四顺。
His/her survival is harmful, his/her destruction is beneficial; his/her capture is easy, his/her annexation is feasible, then punish at the right time, these are the Four Obediences.