Clifford D. Simak Quote

Nothing definite, of course. But say a hundred years to get themselves established as a viable society, perhaps three hundred to rebuild an approximation of the kind of technological setup they had here on Earth. And from there they built on the basis of what they had, with the advantage of being able to drop a lot of ancient millstones they carried around their necks. They build from scratch and to start with there was no need to struggle with the obsolescence they were burdened with on Earth. Well before a thousand years had passed the groups living on the three different planets—all within less than a