„Actually,” he said, “you’re not far off. Uncle Leo brought some toys for all you good little demigods.“

— Rick Riordan
„Ah, Senor Zhang," Leo said, "you know how you're always saying, 'Leo, you are the only true genius among demigods'?""I'm pretty sure I never said that.“
— Rick Riordan
„Frank didn’t drop you on purpose,” she said. “He’s not like that. He’s just a little clumsy sometimes.”“Oops,” Leo said, in his best Frank Zhang voice. “Dropped Leo into a squad of enemy soldiers. Dang it!“
— Rick Riordan
„Leo,” Jason said, “you’re weird.”“Yeah, you tell me that a lot.” Leo grinned. “But if you don’t remember me, that means I can reuse all my old jokes…!“
— Rick Riordan
„I'm scared," Nico mumbled. He was fiddling with something—a little metal toy soldier of some kind."Stop talking!" Dr. Thorn said. "Face me!“
— Rick Riordan
„Leo,” Hazel gasped, “I can’t—my arms—”“Hazel,” he said. “Do you trust me?”“No!”“Me neither,” Leo admitted.“
— Rick Riordan
„As long as you’re fighting on the level of civil rights, you’re under Uncle Sam’s jurisdiction. You’re going to his court expecting him to correct the problem. He created the problem. He’s the criminal. You don’t take your case to the criminal; you take your criminal to court.“
— Malcolm X
„Leo: Rainbows. Very macho.Annabeth: Butch is our best equestrian, he gets along great with the pegasi.Leo: Rainbows, ponies…Butch: I'm gonna toss you off this chariot.“
— Rick Riordan
„You’re that lady,” Leo said. “The one who was named after Caribbean music.”Her eyes glinted murderously. “Caribbean music.”“Yeah. Reggae?” Leo shook his head. “Merengue? Hold on, I’ll get it.”He snapped his fingers. “Calypso!“
— Rick Riordan
„The first time Calypso came to check on [Leo], it was to complain about the noise.“Smoke and fire,” she said. “Clanging on metal all day long. You’re scaring away the birds!”“Oh, no, not the birds!“
— Rick Riordan
„Let's boogie,' he (Leo) said. 'Before I come to my senses“
— Rick Riordan
„You’re playing the creepy vibe a little hard,” I said. “Might as well go for broke, put on a black top hat and pipe in some organ music.“
— Jim Butcher