"Paranoia is infectious. It’s also an incredibly useful tool. If you can make people afraid enough, uncertain enough, …"

"In a captive environment, paranoia is unavoidable. Only the prison authorities call it paranoia; prisoners call it se…"

"A paranoid man is a man who knows a little about what's going on."

"In a world full of threat, it may be kind of beneficial for people to be on guard. It's good to be looking around and…"

"You get paranoid in this business. But maybe paranoids get that way because of all the people out to get them."

""Some people have become so cynical that they don't believe in anything any more. In them, healthy scepticism has bee…"

"Only the severe end was even considered. There was no sense of spectrum. Paranoia was very much seen as inexplicable,…"

"This is another main reason why I believe paranoia is on the increase. Because we are constantly reminded, in the pre…"

"There is no sort of 'them and us', it is not that most people don't have paranoid thoughts and a few people have many…"

"I think in the paranoid spectrum it's quite clear that you're more likely to have paranoid thoughts if you're younger…"