"Behold!" Percy shouted. "The god's chosen beverage. Tremble before the horror of Diet Coke!" - Rick Riordan

It's useless to lecture a human.

"Stars," she whispered. "I can see the stars again, my lady."
A tear trickled down Artemis's cheek. "Yes, my brave one. They are beautiful tonight."
Stars," Zoe repeated. Her eyes fixed on the night sky. And she did not move again."

"I have lightning and wind powers," Jason reminded him. "Piper can turn beautiful and charm people into giving her BMWs. You're no more a freak than we are. And, hey, maybe you can fly, too. Like jump off a building and yell 'Flame on!'"
Leo snorted. "If I did that, you would see a flaming kid falling to his death, and I would be yelling something a little stronger than 'Flame on!"