page 2 of On Becoming A Philosopher

When I returned to England as a teenager it was to a place intensely familiar and luminous because whenever in my reading I was not either in the ancient world or somewhere else in history, I was there – and especially in London. Everywhere one goes in London, even on ordinary daily business, one encounters its past and its literature – retracing Henry James's first journeys through the crowded streets of what was in his day the largest and most astonishing city in the world, seeing Dickens's Thames slide between its oily banks, and Thackeray's Becky tripping down Park Lane smiling to herself. In this spirit my imagination heard the roar from Bankside, where pennants fluttered above the Bear-garden and the theatres, and saw crowds milling under the jewelled lanterns of Vauxhall Gardens, where fashion and impropriety mingled. Deptford on the map seemed to me a horrifying name, because Marlowe was stabbed there. On the steps of St Paul's I thought of Leigh Hunt's description of the old cathedral, before the fire, when it was an open highway through which people rode their horses, in whose aisles and side-chapels prostitutes solicited and merchants met to broker stocks, and where friends called to one another above the sound of matins being said or vespers sung. London is richly overlaid by all that has happened in it and been written about it. There is a character in Proust who is made to play in the Champs Elysees as a boy, and hated it; he later wished he had been able to read about it first, so that he could relish its ghosts and meanings. Luckily for me I came prepared just so for London.

It seemed entirely appropriate to me later, as an undergraduate visiting London at every opportunity, to spend afternoons in the National Gallery and evenings in the theatre (every night if it could be afforded – and even when not) because that is what my companions – my friends on the printed page under the sunlit window in Africa, such as Hazlitt, Pater, and Wilde – intimated was the natural way of relishing life.

But it was not just the relish that mattered, for everything offered by art, theatre and books seemed to me rich grist for the philosophical mill, prompting questions, suggesting answers for debate and evaluation, throwing light on unexpected angles and surprising corners of the perennial problems of life and mind. An education as a philosopher involves studying the writings of the great dead, which enables one to advance to engagement with the technical and often abstruse debates of contemporary philosophy. But philosophical education requires more than this too, for in order to do justice to the question of how these debates relate to the world of lived experience – of how gnosis connects with praxis – a wide interest in history, culture and science becomes essential. The reason is well put by Miguel de Unamuno. "If a philosopher is not a man," he wrote, "he is anything but a philosopher; he is above all a pedant, and a pedant is a caricature of a man."

At Oxford I had the good fortune to be taught by A. J. Ayer, a gifted and lively teacher, and P. F. Strawson, one of the centuryıs leading philosophical minds. There were other accomplished philosophers there whose lectures and classes I attended, but I benefited most from personal intercourse with these two. And when in my own turn I became a lecturer in philosophy, first at St Anne's College, Oxford and then at Birkbeck College, London, I appreciated the force of the saying "docendo disco" – by teaching I learn – for the task of helping others grasp the point in philosophical debates has the salutary consequence of clarifying them for oneself.

Socrates liked to tease his interlocutors by saying that the only thing he knew was that he knew nothing. There is a deep insight in this, for the one thing that is more dangerous than true ignorance is the illusion of knowledge and understanding. Such illusion abounds, and one of the first tasks of philosophy – as wonderfully demonstrated by Socrates in Plato's "Meno" – is to explore our claims to know things about ourselves and the world, and to expose them if they are false or muddled. It does so by beginning with the questions we ask, to ensure that we understand what we are asking; and even when answers remain elusive, we at least grasp what it is that we do not know. This in itself is a huge gain. One of the most valuable things philosophy has given me is an appreciation of this fact.

Another is the permission to keep alive and fresh the child's curiosity which first prompted me to take Plato's "Charmides" from the library shelf. "Philosophy begins in wonder," Alfred North Whitehead said, "and when philosophic thought has done its best, the wonder remains." Another thing Socrates could have said that he knew, because all students of philosophy know it, is that the wonder arrived at by philosophy is an enriched and insightful wonder, and is one of the most exalted possessions of the human spirit.

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