Too many favorites to list them all and I'd probably screw them up.
"You want to make a carved turn? Fine, go get yourself a pair of shaped skis and you'll carve a turn. Hell, you'll carve a better turn than me. You want to ski powder? Fine, go get yourself a pair of powder skis and you can ski powder. You want to see the best skiers on the mountain? Go look who's skiing the bumps" - Glen Plake from the beginning of Fistful of Moguls (horribly paraphrased)
"Dude, don't sweat it, these bumps are wicked hard!" - A pro bump skier warming up on Gunbarrel who gave me this advice when I looked discouraged after nearly crashing into him.
"Danger! Cliff Area! Open" - Sign at the top of the Palisades at Squaw.
"I had Sunny side up. Undt I had Sunny side down. Undt I had Sunny side all zee vay AROUND." - Rudy Garmischt
"Here's the situation. It's 11am and we've already hit our guaranteed 14,000 feet. I know it's a stupid question but since we have to charge you per-flight now, I have to ask. Anyone (laughs) want to stop?" - Heliski guide for Ruby Mountain Heliski on a clear, windless, day with temps in the 40s and a foot of new snow.
"Bumps." My 8-year old's unprepared, uncoached response to his ski instructor when she asked what he likes to ski. I was so proud