A ramrobot had been the first to see Mount Lookitthat. Ramrobots had been first visitors to all the settled worlds. The interstellar ramscoop robots,… - Larry Niven

The medical revolution that began with the beginning of the twentieth century had warped all human society for five hundred years. America had adjusted to Eli Whitney's cotton gin in less than half that time. As with the gin, the effects would never quite die out. But already society was swinging back to what had once been normal. Slowly; but there was motion. In Brazil a small but growing alliance agitated for the removal of the death penalty for habitual traffic offenders. They would be opposed, but they would win.

Gradually he was learning the size, the scale of the Ringworld. It was unpleasant, like all learning processes.

Just take my word for it, will you? Assume I’m a genius.