Due to his beliefs, he favored moral restraint and didn't support the latter practices.
Positive checks to population growth are things that may shorten the average lifespan, such as disease, warfare, famine, and poor living and working environments.
Preventive checks are voluntary actions people can take to avoid contributing to the population.
Because of his religious beliefs, he supported a concept he called moral restraint, in which people resist the urge to marry and reproduce until they are capable of supporting a family.
According to Malthus, eventually these positive checks would result in a Malthusian catastrophe (also sometimes called a Malthusian crisis), which is a forced return of a population to basic survival.
The Irish potato famine of the 19th century has been considered a classic example of a Malthusian catastrophe.For example, if every member of a family tree reproduces, the tree will continue to grow with each generation.On the other hand, food production increases arithmetically, so it only increases at given points in time.In his 1798 work, An Essay on the Principle of Population, Malthus examined the relationship between population growth and resources.From this, he developed the Malthusian theory of population growth in which he wrote that population growth occurs exponentially, so it increases according to birth rate.ABOUT THE SERIES: For over 100 years Oxford World's Classics has made available the widest range of literature from around the globe.Each affordable volume reflects Oxford's commitment to scholarship, providing the most accurate text plus a wealth of other valuable features, including expert introductions by leading authorities, helpful notes to clarify the text, up-to-date bibliographies for further study, and much more.Malthus wrote that, left unchecked, populations can outgrow their resources.According to Malthus, there are two types of 'checks' that can reduce a population's growth rate.While growth in developed nations has slowed down in recent years, overcrowding has been a worldwide concern for centuries.One of the first to publicly address the limits of the earth and the dangers of population growth was Thomas Robert Malthus (who lived from 1766-1834), an English scholar and cleric.