John: I like your stripes, anglefish.
Angelfish: Thank you John, are they slimming?
John: Yes, it's a fine illusion.
Angelfish: Odd thing, illusions. You only regard something as an illusion when it's exceptional. If all matter were striped, and I managed to paint something a solid color, you would say that I had created an illusion of fatness. Even our sensory experience is bound up in subjectiv-- Wait, were you just calling me fat?