《孟子·公孙丑章句上·第一节》
国土不需要新开辟，老百姓不需要再增加，如果施行仁政来统一天下，没有谁能够阻挡。
地不改辟矣，民不改聚矣，行仁政而王，莫之能御也。
The territory does not need to be newly opened up, and the population does not need to be increased. If benevolent government is implemented to unify the world, no one will be able to stop it.