The main peculiarity which distinguishes man from other animals is the means of his support - the power which he possesses of very greatly increasing these means.

A writer may tell me that he thinks man will ultimately become an ostrich. I cannot properly contradict him.

The perpetual struggle for room and food.

Man cannot live in the midst of plenty.

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.

Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio.

Capitals accumulate faster than population