Tom is staring at the sky, squinting. Tom:" You ever just… look out there and think, “maybe the Earth isn’t round"? Arnold: "Oh no. Not you too." Tom! "I mean, look! It’s flat. I can see everything. No curve. Just… ground". Arnold: "Tom, that’s called "your field of vision." "You’re not an astronaut; you’re sitting next to a hot dog stand." Tom: "Okay, but if the Earth is round, why don’t people fall off the bottom?" Arnold: "Gravity. It pulls things toward the center of mass". Tom: "I thought gravity was just a suggestion". Arnold: "And I thought you passed high school". Tom: "I did! Barely! But I passed"! Arnold: "Look, the Earth is round. Not because I believe it, because physics, satellites, space photos, airline flight paths". Tom: "Yeah yeah yeah, Arnold, but… what if it’s just a really big pancake"? Arnold: "Then I’m flipping you...