"Nothing succeeds like success."

"“Is that important?” “Everything is important till proven otherwise.”"

"Remember, you once said, Lije, that people sometimes mistake their own shortcomings for those of society and want to …"

"Civilizations have always been pyramidal in structure. As one climbs toward the apex of the social edifice, there is …"

"He had writer's block once. It was the worst ten minutes of his life."

"“Ah, the future good!” Leebig’s eyes glowed with passion and he seemed to grow less conscious of his listener and cor…"

"I have been trying, friend Julius, to understand some remarks Elijah made to me earlier. Perhaps I am beginning to, f…"

"There are degrees of justice, Elijah. When the lesser is incompatible with the greater, the lesser must give way."

"A robot, the man had said, is logical but not reasonable."

"There isn’t an instinct around that can’t give way to a good, persistent education. Not in human beings, where instin…"