There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened.
~Hitchhiker’s Guide To the Galaxy
Hm. Sounds like the purpose of the universe is actually self-termination and "discovering the purpose" of the universe is just the voice command to activate the self-destruct
Or perhaps the day will come when mankind becomes truly enlightened, brings an end to war, famine, pestilence and pollution, life will be a paradise and the world a utopia.
At which point everything will stop and in the sky in huge glowing letter will appear the epistle
WELCOME TO LEVEL 2