[Right Wing Assault]

Stephen is designing a spacecraft that will accommodate 10 billion people and enough supplies to sustain them and that can travel several light years until they find a nice place to land.

He has come to the conclusion that we need to figure out how we can move the whole planet Earth to this new destination. Then all we have to do is maintain an ideal temperature during the trip so we don't freeze solid on the way.

I think his keepers need to keep a closer eye on him on HIS trip to dementia.

[tbw2]

“A world out of time” by Niven had a gas giant powered atmospheric rocket used to move Neptune in a controlled orbit to then move the Earth after the Sun was pushed to red giant phase early in an interstellar war.
Everything else aside, the man could think up EPIC scifi.