"Never, never let action become a substitute for thought."

"Aldiss’s second law of thermo-linguistics states that what is most popular is rarely best and that what is best is ra…"

"Why don’t you go somewhere quietly and consult your history books if you have no consciences to consult?"

"The day of the android has dawned."

"Science fiction is no more written for scientists than ghost stories are written for ghosts."

"One afternoon in early January, the weather showed a lack of character. There was no frost nor wind: the trees in the…"

"Keep violence in the mind where it belongs."

"When childhood dies, its corpses are called adults and they enter society, one of the politer names of Hell. That is …"

"Most SF is about madness, or what is currently ruled to be madness; this is part of its attraction — it's always play…"

"One of the objections I have against Campbell's Astounding was that there was too little love in it. It was a very lo…"