Thought finds a world and creates one also.

The Night at Pietermaritzburg

On a cold night in June 1893, a young lawyer holding a first-class ticket was pushed off a train at Pietermaritzburg station in South Africa because a white passenger objected to sharing a compartment with him. Mohandas Gandhi spent that night in the waiting room, thinking. His thought first found a world: it saw, clearly and painfully, the racial order that ruled the colony. Then the same thought began to create one: a method of resisting injustice without hatred, which he would later call satyagraha and which would help end an empire. Gandhi described that night as one of the most creative experiences of his life. Thought has a double power: it discovers the world as it is, and by imagining what is not yet, it builds the world that comes after.

To find a world is to understand it. This is thought as observation, reason and discovery. Aryabhata reasoned in the fifth century that the earth rotates on its axis. C.V. Raman, studying how light scatters as it passes through liquids, found in 1928 the effect that now bears his name and won the Nobel Prize in 1930. Charles Darwin, after years of patient observation, found that species change through natural selection. In each case thought did not invent the fact; it uncovered a reality that had always existed but had never been seen. Finding is humble work. It asks the mind to submit to evidence and to describe the world honestly, even when the truth is unwelcome.

To create a world is something more daring. Much of what we live inside was never found in nature; it was first thought, then agreed upon. A currency note is paper that has value because millions believe it does. Yuval Noah Harari, in Sapiens (2014), calls such shared beliefs imagined orders: money, corporations, laws and human rights exist because people collectively think them into being. Benedict Anderson described the nation itself as an imagined community, since no citizen will ever meet most of his fellow citizens, yet all feel bound to one another. Thought, in this sense, is not only a mirror held up to reality but an architect of it.

Philosophy has long argued that even the world we "find" is partly shaped by the mind that finds it. Immanuel Kant proposed that space, time and causation are the forms through which the human mind organises experience, so that we never meet the world raw, only as our minds present it. The opening verse of the Dhammapada puts it more simply: mind is the forerunner of all things, and what we are is the result of what we have thought. Two people can walk through the same crowded market; one sees chaos and the other sees livelihoods. Their perceptions create two different worlds out of the same street.

Moreover, finding and creating feed each other in a continuous cycle. In the 1860s James Clerk Maxwell found, through equations, that light is an electromagnetic wave and that other such waves must exist. That discovery made it possible for later inventors to create radio, television and wireless communication. The quantum theory of the early twentieth century was pure discovery about the behaviour of electrons, yet it led to the transistor in 1947 and, through it, to the computer and the smartphone. Today the satellites of the Indian Space Research Organisation map crops, forecast cyclones and guide fishermen; knowledge found about orbits and signals has become a world of services created for ordinary people.

The most striking creations of thought are social and political. On 26 November 1949, the Constituent Assembly adopted a Constitution that promised equality to a society built on caste, and universal adult franchise to a people most of whom could not read. The day before, B.R. Ambedkar warned the Assembly that on 26 January 1950 India would enter a life of contradictions: equality in politics, inequality in social and economic life. He had found the world of hierarchy as it was, and he helped write down a world that did not yet exist, trusting that law and imagination would slowly pull reality towards it. Seventy-five years of elections, reservations and rights litigation show how far a thought written on paper can travel.

Economic life tells the same story. In 1970 Verghese Kurien's Operation Flood turned a simple idea, that small dairy farmers organised in cooperatives could compete with large producers, into a movement that helped make India the world's largest producer of milk. In 2016 the National Payments Corporation of India launched the Unified Payments Interface, built on the thought that any bank account should be able to pay any other instantly through a phone. A street vendor accepting payment through a QR code now lives inside a world that was, a decade ago, only an idea on a whiteboard.

The same power operates within each individual. In the 1960s the psychiatrist Aaron Beck developed cognitive therapy on the insight that distorted thoughts produce distressing emotions, and that changing the thought can change the experience. The sociologist Robert Merton described the self-fulfilling prophecy, a belief that makes itself true by changing behaviour. Robert Rosenthal and Lenore Jacobson's classroom study of 1968 found that pupils whose teachers were led to expect more from them often went on to achieve more. A student who thinks "I can learn this" creates, through effort, a future that the student who thinks "I cannot" will never see.

Yet the quotation carries a warning as well as a promise. Thought that creates worlds can create cruel ones. The pseudo-science of racial hierarchy produced apartheid and the Holocaust; the idea that religion alone defines a nation contributed to the violence of Partition. Misinformation today is thought deliberately designed to create a false world in the minds of millions. The industrial imagination that built factories and cities also produced the climate crisis, a world that no one intended but everyone now inhabits. Creation without ethics can be as destructive as ignorance.

There is a further limit. Karl Marx argued in 1859 that it is not the consciousness of men that determines their being, but their social being that determines their consciousness. Thought does not float free of hunger, class and geography; a farmer facing drought cannot simply think his way to rain. Yet Marx himself wrote in 1845 that philosophers had only interpreted the world in various ways, and that the point is to change it. In that single sentence he restated our quotation: finding the world is not enough unless thought also creates a better one. The two powers are not rivals; discovery without creation is sterile, and creation without discovery is fantasy.

The task, therefore, is to keep the two powers in balance and to guide them with values. Education should train both the scientist's patience in finding and the citizen's courage in imagining. Institutions should test new ideas against evidence before scaling them, as good policy does through pilots and social audits. Societies should protect the freedom to think differently, because the next world worth living in will begin as someone's unpopular thought. As artificial intelligence, itself a creation of human thought, begins to generate ideas of its own, the responsibility to ask what kind of world those ideas will build becomes urgent.

Rabindranath Tagore, writing in Gitanjali, imagined a country that did not yet exist:

Where the mind is without fear and the head is held high

He saw the fear and division of his own time, and then thought his way towards a freer one. A statue of Gandhi now stands in the centre of Pietermaritzburg, the town whose railway platform once refused him a seat. Every world worth having was first found honestly and then imagined boldly. If India can think with Raman's patience and Ambedkar's courage, the world it finds today will not be the only world it is allowed to live in.