98 Quotes by Thomas Malthus

I think it will be found that experience, the true source and foundation of all knowledge, invariably confirms its truth.

The friend of the present order of things condemns all political speculations in the gross.

In a state therefore of great equality and virtue, where pure and simple manners prevailed, the increase of the human species would evidently be much greater than any increase that has been hitherto known.

The great and unlooked for discoveries that have taken place of late years have all concurred to lead many men into the opinion that we were touching on a period big with the most important changes.

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

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.

The histories of mankind are histories only of the higher classes.

The constant effort towards population, which is found even in the most vicious societies, increases the number of people before the means of subsistence are increased.

I do not know that any writer has supposed that on this earth man will ultimately be able to live without food.