"All right, kids," Squall said, as he tossed the sign-in clipboard in their direction. "Today we're going to actually learn something useful. But first--"
He produced a bag from behind his desk, reached into it, and pulled out a single-serving-size packed of Fig Newtons. "Turns out, the guy in THIS universe who invented all the stuff I'm about to tell you was named after these cookies. Or whatever." He shrugged. "Hey, I was in the store, okay? And they're good." He chucked a few packets
hard at each student, and then lobbed a few in high arcs over the class. "You see the shape they make when they travel? That's a parabola. Because of a constant downward force. Write that down."
"So, today we're going to learn some of the basic principles on which the universe works. Except not really."
Squall fixed the class with a level gaze.
( What I'm about to tell you is a lie. )