The unwritten motto of United States Robot and Mechanical Men Corp. was well-known: “No employee makes the same mistake twice. He is fired the first … - Isaac Asimov

The Bible and science agree in being unable to say anything certain about what happened before the beginning. There is this difference. The Bible will never be able to tell us. It has reached its final form, and it simply doesn't say. Science, on the other hand, is still developing, and the time may come when it can answer questions that, at present, it cannot.

Roth might have warned him, but he had not. He had clearly chosen his words deliberately, in order to give no sign. The official was a woman. There was no reason for this not to be. Any official might be a woman. The Secretary-General might be a woman. There were women on the police force, even a woman with the rank of captain. It was just that, without warning, one didn't expect it in any given case. There were times in history when women entered administrative posts in considerable numbers. Baley knew that; he knew history well. But this wasn't one of those times.

Trantorians, poor specimens that they are, know nothing about open air, free water, and the true balance of nature.