I don't particularly care if my SF is hard, soft, or mushy; I care whether or not I give a darn about who's in it and what happens.
On the presence of inarticulate, inexpressive prose -- "Engfish" -- in SF&F.
On cheating in a work of fantasy or SF.
Most fantasy stories never confront the idea that magic would have the social impact of the atomic bomb.
"When everyone in the community reads the same books, you can an inward-looking, intellectually impoverished community that can only contemplate its own navel."
On using Zen Buddhist notions of time in writing SF&F.
The job of a storyteller should not be to make things complex, but to find common threads in complex things. Doubly so in SF&F.
An actual SF movie, not just a tarted-up shoot-'em-up, both because of the breadth of its ideas and how they are lovingly personalized.