SFRPG

I recall reading a remark to the effect that "by the time we reach the stars we won't need planets". The author was making an argument that the problem of building a long-term-viable artificial habitat in space is vastly easier than and probably a prerequisite for interstellar travel, so that building living-space for humans is easier and more cost-effective than interstellar migration.

I want to quote the remark in one of the articles on the website describing my SF RPG setting, but I can't remember who wrote it, and my efforts with Google aren't availing. Can anyone help?

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— Brett Evill

My SFRPG setting, Flat Black

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I´m not sure if he used those exact words, but Isaac Asimov makes that point in "Extraterrestrial Civilizations".

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Space isn't remote at all. It's only an hour's drive away if your car could go straight upwards. Sir Frederick Hoyle
Earth is the cradle of humanity, but one cannot live in a cradle forever. Konstantin Tsiolkovsky
Man has earned the right to hold this planet against all comers, by virtue of occasionally producing someone completely bat**** insane. xkcd #556
Just like people, stars can be very important without being terribly bright. Phil Plait, "Bad Astronomy"