I Do Not Know That

In 1860, Sixty-three Per Cent Of The Couples Married In Great Britain Had Families Of Four Or More Children; In 1925 Only Twenty Per Cent Had More Than Four.

The Moon Is Not Kept In Her Orbit Round The Earth, Nor The Earth In Her Orbit Round The Sun, By A Force That Varies Merely In The Inverse Ratio Of The Squares Of The Distances.

The Prodigious Waste Of Human Life Occasioned By This Perpetual Struggle For Room And Food, Was More Than Supplied By The Mighty Power Of Population, Acting, In Some Degree, Unshackled, From The Constant Habit Of Emigration.

Population, When Unchecked, Increases In A Geometrical Ratio. Subsistence Increases Only In An Arithmetical Ratio. A Slight Acquaintance With Numbers Will Shew The Immensity Of The First Power In Comparison Of The Second.

No Limits Whatever Are Placed To The Productions Of The Earth; They May Increase Forever.