To Prevent The Recurrence Of

The Immediate Cause Of The Increase Of Population Is The Excess Of The Births Above Deaths; And The Rate Of Increase, Or The Period Of Doubling, Depends Upon The Proportion Which The Excess Of The Births Above The Deaths Bears To The Population.

The First Business Of Philosophy Is To Account For Things As They Are; And Till Our Theories Will Do This, They Ought Not To Be The Ground Of Any Practical Conclusion.

Nature Herself In Times Of Great Poverty Or Bad Climatic Conditions, As Well As Poor Harvest, Intervenes To Restrict The Increase Of Population Of Certain Countries Or Races; This, To Be Sure, By A Method As Wise As It Is Ruthless.

The Doctrine Of Population Has Been Conspicuously Absent, Not Because I Doubt In The Least Its Truth And Vast Importance, But Because It Forms No Part Of The Direct Problem Of Economics.

I Feel No Doubt Whatever That The Parish Laws Of England Have Contributed To Raise The Price Of Provisions And To Lower The Real Price Of Labour.