La última vez que salí al aire libre fue hace tres años. - Isaac Asimov

You are a practical man, Elijah. You do not moon romantically over Earth's past, despite your healthy interest in it. Nor do you stubbornly embrace the City culture of Earth's present day. We felt that people such as yourself were the ones that could lead Earthmen to the stars once more.

That which we call a rose by any other name would smell as sweet.' Is that it, Daneel?"
Daneel paused, then said, "I am not certain what is meant by the smell of a rose, but if a rose on Earth is the common flower that is called a rose on Aurora, and if by its 'smell' you mean a property that can be detected, sensed, or measured by human beings, then surely calling a rose by another sound-combination — and holding all else equal — would not affect the smell or any other of its intrinsic properties."
"True. And yet changes in name do result in changes in perception where human beings are concerned."
"I do not see why, Partner Elijah."
"Because human beings are often illogical, Daneel. It is not an admirable characteristic.

World War II had been something unique. That was one war there could be few idealistic qualms over. We were fighting an absolute evil that seemed quite beyond the usual defame-the-enemy routine; and there seemed a reasonable hope that once the war was over there would be some way of setting up a form of world organization to prevent future wars. The euphoria of the days of the immediate end of the war and of the setting up of the United Nations didn't last long and the Korean War spelled final ruin to the first great hopes.