James E. Gunn,
The Gravity Business
“ Fred's shoulders twitched as the door closed behind him. From the room came the filtered sound of high-pitched voices rising and falling like some reedy folk music."Makes you think, doesn't it?" Grampa said, looking at Fweep benignly. "Maybe the whole theory of gravitation is cockeyed. Maybe there's a Fweep for every planet and sun, big and little, polarizing the gravity in circles, and the matter business is not a cause but a result." ”
