When I can't do something, this always impels me to study it.

The movers and shakers have always been obsessive nuts.

Just think about it," he said softly. "You can do practically anything. You can have practically everything. And none of it will keep you from being alone." "Shut up shut up...Everybody's alone." He nodded. "But some people learn how to live with it.

Love's a different sort of thing, hot enough to make you flow into something, interflow, cool and anneal and be a weld stronger than what you started with.

Nothing is always absolutely so

Corollary 1: The existence of immense quantities of trash in science fiction is admitted and it is regrettable; but it is no more unnatural than the existence of trash anywhere.

When you combine something to say with the skill to say it properly, then you've got a good writer.