They’d lived all their life on Earth; they knew nothing but the Earth. They had never really touched an alien concept, and that was all this concept … - Clifford D. Simak

We’d like to talk to you, sir, if you don’t mind,” said the woman of the trio. “You see, we’re a sort of delegation.

We feel much sorrow for you, the elm tree had said. But what kind of sorrow—a real and sincere sorrow, or the superficial and pedantic sorrow of the immortal for a frail and flickering creature that was about to die?

As an auxiliary to all of this," he said, "I have found myself speculating upon a world in which no one ever grew up. I admit, of course, that it is a rather acrobatic feat of thinking, not entirely consistent, to leap from the one idea to the other. In a world where one was able to package his experiences, he merely would be able to relive at some future time the experiences of the past. But in a world of the eternally young he'd have no need of such packaging. Each new day would bring the same freshness and the everlasting wonder inherent in the world of children. There would be no realization of death and no fear born of the knowledge of the future. Life would be eternal and there'd be no thought of change. One would exist in an everlasting matrix and while there would be little variation from one day to the next, one would not be aware of this and there'd be no boredom...