I assume you mean Gerard O'Neill, and I don't recall him saying this. Can you cite the source? https://en.m.wikipedia.org/wiki/Gerard_K._O%27Neill https://en.m

I assume you mean Gerard O'Neill, and I don't recall him saying this. Can you cite the source? https://en.m.wikipedia.org/wiki/Gerard_K._O%27Neill https://en.m.wikipedia.org/wiki/Gerard_K._O%27Neill