"Epicurus founded a school of philosophy which placed great emphasis on the importance of pleasure. "Pleasure is the beginning and the goal of a happy life," he asserted, confirming what many had long thought, but philosophers had rarely accepted. Vulgar opinion at once imagined that the pleasure Epicurus had in mind involved a lot of money, sex, drink and debauchery (associations that survive in our use of the word 'Epicurean'). But true Epicureanism was more subtle. Epicurus led a very simple life, because after rational analysis, he had come to some striking conclusions about what actually made life pleasurable - and fortunately for those lacking a large income, it seemed that the essential ingredients of pleasure, however elusive, were not very expensive.

The first ingredient was friendship. 'Of all the things that wisdom provides to help one live one's entire life in happiness, the greatest by far is the possession of friendship,' he wrote. So he bought a house near Athens where he lived in the company of congenial souls. The desire for riches should perhaps not always be understood as a simple hunger for a luxurious life, a more important motive might be the wish to be appreciated and treated nicely. We may seek a fortune for no greater reason than to secure the respect and attention of people who would otherwise look straight through us. Epicurus, discerning our underlying need, recognised that a handful of true friends could deliver the love and respect that even a fortune may not.

Epicurus and his friends located a second secret of happiness: freedom. In order not to have to work for people they didn't like and answer to potentially humiliating whims, they removed themselves from employment in the commercial world of Athens ('We must free ourselves from the prison of everyday affairs and politics'), and began what could best have been described as a commune, accepting a simpler way of life in exchange for independence. They would have less money, but woul