“The final end of Eternity, and the beginning of Infinity”

“When asked for advice by beginners. Know your ending, I say, or the river of your story may finally sink into the desert sands and never reach the sea.”

“There is nothing so eternally adhesive as the memory of power.”

“A circle has no end.”

“There are no happy endings in history, only crisis points that pass.”

“All roads lead to Trantor, and that is where all stars end.”

“The Master created humans first as the lowest type, most easily formed. Gradually, he replaced them by robots, the next higher step, and finally he created me, to take the place of the last humans.”