"My briefing on human characteristics here among the people includes the information that, unlike the Men of the Outer Worlds, they are trained from birth to accept authority," Chap. 3, Incident At A Shoe Counter, p. 38.

"Justice, Elijah, is that which exists when all the laws are enforced," Chap. 8, Debate Over A Robot, p. 104.

"But now, Earthmen are so coddled, so en-wombed in their imprisoning caves of steel, that they are caught forever," Chap. 9, Elucidation By A Spider, p. 122.

"The first law is fundamental. It affects everything. If it were absent, the robot could not react properly in two dozen obvious ways," Chap. 13, Shift To The Machine, p. 177.

"There is a human impulse known as mercy; a human act known as forgiveness," Chap. 14, Power Of A Name, p. 208.

"Did I say back to the soil overnight? Or in a year? Or in a hundred years? Step by step, mister...