Rick Riordan said this quote

Percy: “You asked Poseidon for… me?” Tyson: For a friend, young cyclopes grow up alone on the streets, learns to make things out of scraps. Learn to survive. Percy: “But that’s so cruel!” Tyson: “Makes us appreciate blessings, not be greedy and mean and fat like Polyphemus. But I got scared. Monsters chased me so much, clawed me sometimes-- Percy: “The scars on your back?” Tyson: “Sphinx on Seventy-second Street. Big Bully. I prayed to Daddy for help. Soon the people at Meriwether found me. Mey you. Biggest blessing ever. Sorry I said Poseidon was mean. He sent me a brother.