One would have thought that it was even more necessary to limit population than property; and that the limit should be fixed by calculating the chances of mortality in the children, and of sterility in married persons. The neglect of this subject, which in existing states is so common, is a never-failing cause of poverty among the citizens; and poverty is the parent of revolution and crime.
AristotleThe vices respectively fall short of or exceed what is right in both passions and actions, while virtue both finds and chooses that which is intermediate.
Aristotle