Dual-Track Civilization

At first, people cheered every simplification of the formula, thinking it was progress. But later, they discovered that the symbols written on the blackboard no longer led to the truth, but had become a wall. There are fewer and fewer people inside the wall, and those outside the wall only have admiration or fear. Standing on this side of the wall, I suddenly couldn't tell whether the flickering light inside the wall was the embers of science or the fire of witchcraft. The only thing that convinced me was that there was finally more than one kind of witchcraft in the world.