Brent:I'm not pretentious, I'm ostentatious. Pretentiousness involves a front, acting as if you know what you're talking about. I always know what I'm talking about. Being ostentatious means you know what you're talking about, but you're boastful about it. There's a difference.
Nicollette:That's the most pretentious thing I've ever heard.
“Science fiction writers, I am sorry to say, really do not know anything. We can’t talk about science, because our knowledge of it is limited and unofficial, and usually our fiction is dreadful.”—Philip K. Dick