《孟子·公孙丑章句上·第六节》
如果能够扩充它们，便足以安定天下，如果不能够扩充它们，就连赡养父母都成问题。 
苟能充之，足以保四海；苟不充之，不足以事父母。 
If they can be expanded, it will be enough to stabilize the world. If they cannot be expanded, even supporting one’s parents will be a problem.