The Lesson Nobody Wanted
Chapter 19: The Lesson Nobody Wanted
The workers did not want a lesson.
This was expected. Sensei had been teaching for twenty-two years, which meant he had spent twenty-two years introducing lessons to people who would have preferred to be doing something else, and he was, by this point, quite good at it.
He set his briefcase on the limestone block near the south entrance.
He opened it.
He took out his gradebook, which he was now using as a notepad, and which contained, in the back pages, sketched diagrams of golden ratio proportions, corridor angles, and the sequence of mathematical principles embedded in the pyramid's original design.
He looked at the nearest group of workers.
There were eleven of them, resting in the shadow of a supply ramp. They were large men with strong arms and the kind of tired that comes from hard physical work rather than unhappiness. They were giggling occasionally — the powder was still in the air — but not constantly. The effects were wearing thinner in the outer areas of the site.
"Good afternoon," Sensei said, in ancient Egyptian, which the Translation Gummy made sound natural and unaccented.
The workers looked at him.
"My name is Sensei," he said. "I am a teacher."
The workers looked at each other.
"Please sit," Sensei said.
Nobody sat. But nobody walked away either, which he counted as progress.
He started with what they knew.
He asked them questions. Simple questions, practical ones: how long is this block? How many blocks in the first course? When you fit two blocks, what angle makes them stable? The workers answered — first reluctantly, then with more ease, because the questions were things they actually knew. They had been building since they were apprentices. They knew the physical facts of their work the way anyone knows the physical facts of something they have done ten thousand times.
The giggling interrupted occasionally. A man would begin answering a question and lose himself in a laugh that had nothing to do with anything. Sensei waited each time, with the patience of a man who has waited out thirty students' worth of distraction for two decades.
Then he started showing them where their knowledge already was.
He drew on the limestone block with chalk. Block dimensions. Ramp angles. The relationship between the width of a base course and the height of the pyramid. These were things they already knew — he was just writing them down.
"Do you see this number?" he said, pointing.
He wrote: 1.618.
"This is in everything you are building. This is in the width of the corridors. In the angle of the face. In the ratio of the base to the height." He paused. "It is also in the arrangement of seeds in a sunflower. In the shell of a nautilus. In the distance between your elbow and your fingertip, relative to the distance between your wrist and your fingertip."
A worker looked at his arm. He measured the distances with his thumb. He looked up.
He did not giggle.
He was thinking.
Doraemon distributed Memory Bread.
The slices had been prepared quickly, printed with the key formulas and ratios, the diagram of the golden spiral, the angles of the pyramid's face. Each slice transferred its contents directly to memory. The workers who ate them felt the knowledge arrive like something they had always known and only just remembered.
Several of them stood up.
They walked to the construction area. They looked at the blocks that had been laid incorrectly. They looked at the blocks waiting to be laid. They began to point at things and argue — not in chaos, but in the productive, focused way of people who have just realized the difference between wrong and right.
"They don't like it," Nobita said, watching.
"They don't have to like it," Sensei said. "They just have to do it."
He watched a worker redirect two others. The block was repositioned. The angle was corrected. The next block went on with a solid, decisive sound.
"There," Sensei said quietly.
It was the same sound he heard when a student, who had been staring at a mathematics problem for fifteen minutes, suddenly understood it.
He had not heard the Joker arrive.
"A TEACHER."
The voice came from behind him, and it was delighted.
Sensei turned.
The Joker was standing on the supply ramp with his arms spread, looking at Sensei the way a cat looks at something moving under a blanket. He was shorter than Sensei had expected, but the quality of attention he projected made the distance irrelevant. His green eyes moved very quickly, cataloging everything.
"A TEACHER," he said again, slower, as if tasting it. "You brought a TEACHER. Do you know, in all my travels through time and space — the Roman colosseum, the court of Versailles, a very entertaining shareholders meeting in 2087 — I have never had the pleasure of a teacher."
He jumped down from the ramp and landed lightly on the sand.
He was not afraid. He was amused, which was more dangerous.
"You've been teaching these men," he said, looking at the workers, who had paused their activity to watch. "Order. Pattern. The golden ratio." He said the last two words in a sing-song, like they were something he'd been warned about. "How deliciously boring."
Sensei adjusted his glasses.
"I challenge you," he said.
The Joker stopped moving.
He tilted his head.
"Order versus chaos," Sensei said. "You say chaos is divine. Prove it. Build something with chaos. I will build something with order. The Pharaoh judges."
The Joker was silent for exactly three seconds.
Then he broke into a wide, genuine smile.
"A TEACHER," he said, for the third time, with a kind of fond wonder, "challenges ME to a BUILDING CONTEST." He turned to an invisible audience that wasn't there and presented Sensei like a prize exhibit. "How delicious. How entirely, perfectly, beautifully ridiculous." He turned back. "You're serious."
"I am always serious," Sensei said.
"Yes," the Joker said, with something that might have been admiration. "I can see that." He clapped his hands together. "Fine. Fine, fine, fine. Order versus chaos. One day. One hundred workers each. The Pharaoh decides. And when chaos wins — because chaos always wins, because chaos is LIFE, because order is just the lie we tell ourselves before everything falls apart—"
"When order wins," Sensei said.
"—when chaos wins," the Joker continued pleasantly, "you and your little time-traveling children go back to wherever you came from and never come back. And I continue my very important work here." He gestured at the construction site. "Agreed?"
Sensei looked at him for a moment.
"Agreed," he said.
The Pharaoh, who had been summoned to observe the challenge, agreed to the terms with the desperate enthusiasm of a man who had spent three weeks watching his kingdom become a circus. Something in his face suggested that he had been hoping, in the vague way that people hope for something they cannot name, for exactly this.
He gave each competitor a section of the site and a hundred workers.
The Joker took his section and immediately began shouting instructions that contradicted each other, which his workers found very funny. They ran in multiple directions. They stacked blocks at random angles. They built upward in a way that suggested the primary goal was height, and the secondary goal was maximum instability. It was exciting to watch. It looked like something was always about to happen.
Sensei took his section and stood in front of his hundred workers for a moment.
They looked at him.
He looked at them.
He remembered something that Doraemon had said once, years ago, in Nobita's bedroom, when explaining why some gadgets worked and some didn't: The gadget works perfectly. The question is whether the person using it is ready.
He thought about his thirty students, every year. Every September. New faces, some of them interested, some of them not, some of them giggling at the back because they were nervous. He had never once, in twenty-two years, walked into a classroom and thought: this group is not worth teaching.
He had never once walked into a classroom.
He had always walked toward it.
"My name is Sensei," he said, for the second time that day. "I am going to teach you something. After that, we are going to build."
He did not rush.
He drew on a flat stone. He showed them the angle of the course. He used rope and stakes to demonstrate proportion on the ground. Doraemon distributed Memory Bread again — he had more slices this time, prepared in advance — and the formulas transferred cleanly.
The workers remembered how to build correctly.
Not as something new. As something that had been there all along, underneath the weeks of chaos and giggling powder and contradictory instructions. They were builders. Building correctly was not a constraint imposed on them — it was what they were.
They began to work.
Not running. Not racing. Steady, purposeful, with the confidence of people doing what they understand.
Sensei walked among them, watching angles, checking proportions, redirecting where something was slightly off. He was not building with his hands. He was teaching with his eyes. There is a difference, and experienced teachers know it: sometimes the most useful thing you can do is stand where a student can see you, so they know someone is watching who understands.
The small pyramid rose.
It was not large — maybe three meters tall at the peak, perhaps ten meters at the base. A practice pyramid, a demonstration piece. But every stone was placed at the correct angle. Every course was level. The proportions were right.
Beside them, the Joker's construction had reached four meters of wildly irregular stone. It looked magnificent. It swayed very slightly in the afternoon breeze.
The Pharaoh's court had gathered to watch both projects. The advisors in their ridiculous hats were not laughing anymore. They were looking at the two constructions.
The Joker's was taller.
Sensei's was standing.
The sun moved.
In the late afternoon, at a specific angle that the pyramid's builders had calculated four thousand years before, the setting sun struck the four faces of the stone in sequence.
The east face caught the light first.
Then the south.
Then, as the sun dropped, the west face caught it fully.
The pyramid glowed gold.
Not a metaphorical gold. Actual gold: the warm, specific, physical gold of ancient limestone in late sunlight, a color that had been waiting since the first stones were cut to exist in exactly this way.
The workers stopped working.
They looked at what they had built.
Sensei was quiet.
Nobita, who had been watching from beside the supply ramp, said nothing. Even Giant was quiet, which was unusual.
Then, slowly, one of the workers sat down heavily on the sand and looked at the pyramid with an expression that Sensei recognized. He had seen it in classrooms, rarely but memorably: the expression of someone who has understood something that matters.
Another worker sat beside the first. Then another.
They were remembering.
They were builders. They had spent their lives lifting stone to make something impossible. They had been building the Great Pyramid since they were young men, following their fathers' trade, working toward a structure that would stand after every one of them was dust. They had a purpose. It had been taken from them by a man with laughing powder and green eyes, and now they were looking at a small, perfect pyramid that they had built in one afternoon, and they were remembering what the purpose felt like.
"That," Sensei said, and pointed at the small pyramid, "is what happens when you learn your lessons."
The Joker's construction shifted.
One block slid.
Then another.
Then the whole tilting, laughing, chaotic, magnificent tower came down in a slow, inevitable, entirely predictable collapse, which raised an enormous cloud of sand and dust and sent several workmen sprinting away, which was at least funny, and which the Joker watched from a safe distance with the expression of someone encountering, for the first time, a consequence.
The Pharaoh looked at the rubble.
He looked at the small golden pyramid.
He looked at his court.
His chief advisor, a serious-faced man who had been wearing a basket on his head for three weeks, reached up and removed the basket.
He set it on the ground.
The Joker's expression did something new.
He was losing the room.
He had lost rooms before, but only to chaos. He had never lost a room to a teacher. The Joker looked at the workers sitting in the sand, looking at the small pyramid. He looked at the advisor who had removed his basket. He looked at the Pharaoh, who was sitting up straighter.
Something unfamiliar moved across the Joker's face.
It might have been something like respect.
Or it might have been the recognition that the most dangerous thing in the world is not a supervillain, or a god, or a weapon.
It is a person who knows what they are doing and cannot be made to laugh about it.
"Interesting," the Joker said.
And then he smiled, and it was not the easy smile of someone winning. It was a sharper smile, the smile of someone recalculating.
He reached into his coat.
He produced a much larger bag of laughing powder.
He began to open it.