“Knowledge is what man is all about. People like you have tried to hold back progress since the beginning of time. But they failed, and you failed. Man needs to know.”
“Maybe,” Sanders said, “But is that the only thing man needs? I don’t think so. I think he also needs mystery, and poetry, and romance. I think he needs a few unanswered questions, to make him brood and wonder.”

George R. R. Martin (b. 1948) American author and screenwriter [George Raymond Richard Martin]

“With Morning Comes Mistfall,” Analog (1973-05)
    (Source)

Collected in Portraits of His Children (1987)