Memory and dust, he thought, link us to the past. — Clifford D. Simak

Before Man goes to the stars he should learn how to live on Earth.

“It wouldn’t be the truth,” said Sutton.

“That,” said Trevor, “doesn’t have a thing to do with it.”

“Propaganda,” Trevor said. “Let’s call it psychology. You say a thing so often and so well that after a time everyone believes it. Even, finally, yourself.”