Saturday 15 September 2018

Democritus: an agreeable hypothesis about everything

When philosophy and religion are taught these days, it is most unlikely that the ideas of Democritus (460-370 BC) will get a mention. That is regrettable since his approach to making sense of the universe, life and society has much to commend it.

At a time when religious thinkers were offering different versions of ‘god’ and ‘creation’, and philosophers were coming up with diverse conceptions of nature and its components, Democritus championed the hypothesis that everything was ultimately made up of indivisible entities – ‘atoms’, literally the ‘undividable’. These inanimate entities have always existed and will never perish. Through a variety of combinations, they form substances that make up all things in the universe – from a grain of sand by the sea to distant stars.

We now know that what Democritus characterised as ‘atoms’ are more like what we call molecules (formed by conjoined atoms), and what are indivisible are entities currently classified as quarks, which make up the protons, electrons and neutrons that constitute atoms. In terms of positing ultimately indivisible entities which are the universal building blocks of the universe, Democritus’ hypothesis is nonetheless apposite. Furthermore, anticipating Darwinist biology, Democritus speculated that just as the indivisible basic entities could combine to produce diverse physical properties, these properties could in turn interact and give rise to a wide variety of living things, including human beings.

For Democritus, the emergence of rich complexity from simpler constituent components also applies to the transition from primitive human existence to sophisticated civilisations. The experience of the dangers for isolated individuals and the vulnerabilities of living in small groups, especially when contrasted with the vastly increased opportunities for improvement in larger communities, prompted extensive social and political development. And eventually people would discover that, in order to ensure the benefits of living in a well-structured polity are not wiped away by some unscrupulous ruler, they must as citizens secure democratic control over the state.

Given his account of the world, Democritus advised we should live with three things in mind. First, in society, we must respect and be helpful to others if we are to expect respect and support in return. Individuals who seek only to advance their own interests regardless of the consequences for others, will turn the rest of society against themselves. Secondly, we should cultivate our understanding of reality, and appreciating that while the basic indivisible entities endure, what they combine to produce are finite and will in time disintegrate once more. We should not be misled by superstitions, or fear the natural sequence of beginnings and ends, but accept it calmly. Thirdly, it would be wise to enjoy life when we can, so long as it is in moderation and does not get in the way of our pursuits of deeper fulfilment. Through life’s vicissitudes, a cheerful disposition is a better companion for ourselves and others.

It’s fair to say that anyone hoping to learn something about the nature of the world and the meaning of life, should spare some time to reflect on Democritus’ most agreeable hypothesis.

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Additional notes:

• Democritus’ writings were numerous and widely known in ancient Greece, but they are now largely lost. Our knowledge of his ideas today is based on preserved fragments; quotations from his works made by his contemporaries; commentaries by (for example) Aristotle; and later expositions by thinkers such as Epicurus and Lucretius. A short introduction can be found in Paul Cartledge, Democritus, London: Orion, 1998.

• Although Democritus was well ahead of his time with many of his ideas, he did not have the foresight to reject the practice of slavery or the exclusion of women from political citizenship. Alas, these were personal blind spots he shared with many of his contemporaries around 5th century BC. However, they do not form any part of his characterisation of the universe or how we should relate to the transience of life.

• Some of Democritus’ ideas have been attributed to an earlier thinker, Leucippus. But virtually nothing is known about Leucippus, whose very existence has been disputed by a number of historians. Democritus, by contrast, was a well-known figure; indeed his fondness for recommending the disposition of cheerfulness led to him being widely referred to as the ‘Laughing Philosopher’.

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