Most SF is about madness, or what is currently ruled to be madness; this is part of its attraction — it's always playing with how much the human mind can encompass.
One of the objections I have against Campbell's Astounding was that there was too little love in it. It was a very loveless magazine. They never took enough account of the feeling that is always in SF.brian aldiss
Most of my poetry lies beyond the SF field, yet here I am corralled into 'SF poetry' as part of this poetry weekend. Of course, some might say, 'you've made your own bed — now you must lie in it!' But, while fully accepting that dictum, I'm not yet quite prepared to lie down...brian aldiss
The SF created us to enjoy our suffering. ... The sooner we die, the sooner we defy His plans.paul erdős
Socialism and SF are the two most fundamental influences in my life.china miéville
SF has never really aimed to tell us when we might reach other planets, or develop new technologies, or meet aliens. SF speculates about why we might want to do these things, and how their consequences might affect our lives and our planet.