The travellers had been walking for a long time.
They had crossed the country of differences.
They had followed rivers and watched their banks shape the water.
They had entered forests where some differences mattered and others disappeared unnoticed.
They had followed tracks left by creatures that were no longer there.
They had passed through the Gate of Signs.
They had walked among words and concepts, and they had seen old furrows become roads.
Now, at last, they reached the foot of a mountain.
The mountain was higher than anything they had yet seen.
Its summit disappeared into cloud.
The oldest traveller looked up.
“Is this where the journey ends?”
The guide shook his head.
“No.”
“Then what is the mountain for?”
The guide smiled.
“To see what the journey was.”
They began to climb.
As they rose, the landscape below them changed.
At first they could still see individual things.
Rivers.
Trees.
Stones.
Animals.
Paths.
But the higher they climbed, the more difficult it became to separate them.
A river that had seemed merely a river was now seen to shape a valley.
The valley shaped the river.
The forest altered the soil.
The soil altered the forest.
Animals moved through both.
Paths crossed one another.
Settlements appeared where paths had become roads.
Roads followed old tracks.
Old tracks followed animals.
And everywhere, differences were entering into relations.
The youngest traveller stopped.
“Look.”
Below them, a patch of sunlight moved across a field.
“What does that difference do?”
The guide pointed.
“To the stone?”
“Very little.”
“To the plant?”
“More.”
“To the animal?”
“Perhaps it changes where the animal moves.”
“And to the scientist watching from the village?”
The guide smiled.
“It may become a measurement.”
“And to the people in the town?”
“It may become evidence.”
“Evidence of what?”
“Perhaps of a changing climate.”
The traveller stared.
“It is the same sunlight.”
“Yes.”
“The same physical difference.”
“Yes.”
“Yet it has become so many different things.”
The guide shook his head.
“Not different things.”
The traveller looked puzzled.
“Different possibilities.”
And suddenly the whole mountain seemed to speak.
Not in words.
In relations.
A difference could alter a physical process.
The altered process could become part of a living system.
The living system could become sensitive.
Sensitivity could become indication.
Indication could become sign.
Signs could enter language.
Language could organise concepts.
Concepts could shape practices.
Practices could alter the landscape.
The travellers stood silently.
They had been looking for a ladder.
But there was no ladder.
There were layers.
And the layers did not replace one another.
They folded into one another.
A word did not cease to be sound.
A sign did not cease to be a physical event.
Meaning did not abolish mattering.
Perception did not abolish biology.
Biology did not abolish physics.
Everything they had encountered remained.
But new relations had been formed around it.
The guide led them higher.
They came to a narrow ledge.
There, beside the path, lay a footprint.
The youngest traveller recognised it.
“The Country of Traces.”
“Yes.”
“The footprint once indicated an animal.”
“And now?”
The traveller thought.
“Now it also belongs to the history of tracking.”
The guide nodded.
“And to the concept of evidence.”
“And to the practices of those who followed it.”
“And perhaps,” said the guide, “to a story told about the animal.”
The footprint had not changed.
But its possibilities had.
Its history had accumulated around it.
The travellers continued upward.
They passed a small settlement.
Above its entrance stood a familiar sign.
One traveller laughed.
“The Gate of Signs!”
The guide smiled.
“But now you understand that the gate was never only a gate.”
They looked back.
The sign was a physical object.
It had been painted by someone.
It had been placed there for a purpose.
People had learned how to read it.
They had taught others.
The meaning had travelled.
And because it had travelled, it had entered history.
The youngest traveller understood.
“A sign carries more than information.”
“Yes.”
“It carries a possibility from one place to another.”
“Yes.”
“And meaning allows the possibility to become shared.”
The guide nodded.
“Now you are beginning to see the mountain.”
They climbed further.
Near the summit they came upon the Forest of Many Names.
But from above, it no longer appeared to be merely a forest.
It was a vast pattern of clearings, paths and boundaries.
Some paths were ancient.
Some had only recently appeared.
Some led nowhere.
Some had become roads.
Some roads had become walls.
Some walls had become borders.
Some borders had become countries.
And beneath them all were the older paths of rivers, animals, roots and water.
The youngest traveller whispered:
“We thought the forest was being named.”
“It was.”
“But the names became paths.”
“Yes.”
“And the paths changed the forest.”
“Yes.”
“So the concepts did not merely describe the world.”
“No.”
“They became part of the conditions under which the world could be acted upon.”
The guide smiled.
“That is why a concept has a history.”
They reached the summit.
There was no temple.
No throne.
No final inscription.
Only a wide plain of rock beneath an open sky.
The travellers looked down.
The entire country lay before them.
The river.
The forest.
The villages.
The tracks.
The boundaries.
The roads.
The fields.
The animals.
The signs.
Everything they had encountered was still there.
But now they could see that none of it stood alone.
Every difference had entered some relation.
Every relation had consequences.
Some consequences were physical.
Some biological.
Some perceptual.
Some social.
Some conceptual.
And every new organisation had become part of the conditions for something else.
The oldest traveller sat upon the rock.
“So this is what we have discovered.”
The guide waited.
“We began with differences.”
“Yes.”
“We thought the important question was whether a difference made a difference.”
“Yes.”
“And then we discovered that the answer always depended upon the relation.”
“Yes.”
The traveller looked across the valleys.
“A difference can constrain.”
“Yes.”
“It can matter.”
“Yes.”
“It can become perceptually available.”
“Yes.”
“It can indicate.”
“Yes.”
“It can stand for something.”
“Yes.”
“It can become meaningful.”
“Yes.”
“It can become a concept.”
“Yes.”
“And a concept can change what other differences become consequential.”
The guide nodded.
The traveller was silent for a while.
Then he asked:
“Which of these is the real world?”
The guide laughed.
The sound carried down the mountain.
“All of them.”
The traveller frowned.
“That cannot be right.”
“Why not?”
“Because physics is not biology.”
“No.”
“Biology is not perception.”
“No.”
“Perception is not meaning.”
“No.”
“And meaning is not a concept.”
“No.”
“Then how can they all be the real world?”
The guide pointed toward the valley.
“Because the river does not stop being water when it becomes a boundary.”
He pointed toward the forest.
“The tree does not stop being matter when it becomes habitat.”
He pointed toward the village.
“The sound does not stop being air in motion when it becomes a word.”
He pointed toward the road.
“And the concept does not stop being a concept when it becomes a law, a building, a machine or a path.”
The traveller understood.
Nothing had been discarded.
Nothing had been magically added.
The world had acquired new relations.
And the new relations had histories.
The guide walked to the edge of the summit.
“Come.”
The travellers followed.
Far below, they could see people beginning new paths.
Some followed old roads.
Some crossed fields.
Some drew maps.
Some erased boundaries.
Some planted trees.
Some cut them down.
Some named things.
Some questioned old names.
Some discovered differences no one had noticed before.
The youngest traveller watched them.
“What happens to the differences now?”
The guide looked at him.
“What do you mean?”
“We have followed them this far. What happens next?”
The guide smiled.
“Some will disappear.”
“Some?”
“Some will redirect rivers.”
“Some?”
“Some will sustain lives.”
“Some?”
“Some will become signs.”
“Some?”
“Some will become words.”
“Some?”
“Some will become concepts.”
“And then?”
“Some concepts will become institutions. Some institutions will become environments. Those environments will generate new differences.”
The traveller looked puzzled.
“So the journey begins again.”
The guide nodded.
“It never stopped.”
The travellers stood at the summit in silence.
They had expected an ending.
Instead they had found a circulation.
The world gave rise to differences.
Differences entered into relations.
Relations became organised.
Organisation made some differences consequential.
Living systems made some differences matter.
Sensitivity made some differences available.
Indication carried some differences beyond themselves.
Signs allowed some differences to stand for others.
Meaning made them available for shared construal.
Concepts organised those construals.
And human action carried them back into the world.
The circle was not a circle because it returned to the same place.
It was a circle because every return changed the conditions of the next beginning.
The old traveller finally spoke.
“So nothing has a final meaning.”
The guide considered this.
“Perhaps.”
“Then nothing has a final possibility either.”
“Perhaps not.”
The traveller looked again at the paths below.
One of them had not been there when they began.
It was only a faint line through the grass.
Someone was walking it now.
“Who made that path?”
The guide smiled.
“No one knows yet.”
They watched the figure disappear into the distance.
The youngest traveller laughed.
“We came all this way to discover that there is no final answer.”
The guide looked toward the horizon.
“No.”
“What, then?”
“That every answer changes what can be asked next.”
The wind moved across the summit.
Below them, the rivers continued.
The trees continued.
The animals continued.
People continued to walk, name, measure, remember, build and alter the world.
Nothing had been added from outside.
Nothing had been secretly present from the beginning.
There had only been differences entering into relations.
And relations becoming histories.
The guide turned away from the summit.
“Come.”
“Where?”
“Down.”
The travellers looked surprised.
“We are leaving?”
“We have to.”
“Why?”
The guide pointed toward the new path.
“Because someone has just begun another journey.”
And they descended the mountain.
Behind them, the summit remained silent.
But below, everywhere they looked, differences were beginning to matter.
Somewhere a river changed course.
Somewhere a seed opened.
Somewhere a footprint appeared.
Somewhere a word was spoken for the first time.
Somewhere an old concept encountered a difference it could no longer contain.
And somewhere, perhaps, another traveller was looking at the world and asking the first question again:
What can a difference become?
There was no final answer.
Fortunately.
For every answer was another difference.
And every difference might be the beginning of something new.