The brightest minds in our field have been trying to find a definition of science fiction for these past seventy years. The short answer is, science fiction stories are given as possible, not necessarily here and now, but somewhere, sometime.

I'd repair our education system or replace it with something that works.

A civilization has the ethics it can afford

The perversity of the Universe tends towards a maximum.

Boredom is my worst enemy. It's killed a lot of my friends, but it won't get me. When I get bored, I go risk my life somewhere.

Ethics change with technology.

SF isn't a genre; SF is the matrix in which genres are embedded, and because the SF field is never going in any one direction at any one time, there is hardly a way to cut it off.