I believe the original quote to that effect was by Robert Hare and the basic premise of it is that if any part of you worries you might be psychopathic, you're

I believe the original quote to that effect was by Robert Hare and the basic premise of it is that if any part of you worries you might be psychopathic, you're probably not psychopathic enough to worry about it. The worryingly psychopathic don't see psychopathy as something to worry about. Everyone places somewhere on the spectrum, the question is only where.