„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
„Like your zodiac sign? Percy asked. 'I'm a Leo.'No, stupid,' Leo said. I'm a Leo. You're a Percy.“
— Rick Riordan
„Actually,” he said, “you’re not far off. Uncle Leo brought some toys for all you good little demigods.“
— 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
„I'm the Super-sized McShizzle, man!" Leo said. "I'm Leo Valdez, bad boy supreme. And the ladiesa bad boy.“
— Rick Riordan
„Are you the cursed kid Nemesis mentioned?" Leo asked. "But you're a girl.""You're a girl," said the girl."Excuse 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
„Correct." Kekrops sounded bitter, like he regretted his decision. "My people were the original Athenians--the gemini.""Like your zodiac sign?" Percy asked. "I'm a Leo.""No, stupid," Leo said. "I'm a Leo. You're a Percy.“
— Rick Riordan
„Narcissus turned and scowled at Leo. “Who are you?”“I’m the Super-sized McShizzle, man!” Leo said. “I’m Leo Valdez, bad boy supreme. And the ladies love a bad boy.“
— Rick Riordan
„He understood how dangerous oaths could be. But Leo didn't care."I'm coming back for you, Calypso," he said to the night wind. "I swear it on the River Styx.“
— Rick Riordan
„Shut up, me" Leo said out loud."What?" Piper asked."Nothing," he said. "Long night. I think I'm hallucinating. It's cool.“
— Rick Riordan
„No, no,” Leo said. “Rainbows. Very macho.“
— Rick Riordan
„Cool" Leo said. "I always wanted a sister who could beat me up.“
— 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 know, I'm an idiot!" Leo moaned. "A brilliant idiot, but still an idiot.“
— Rick Riordan
„Hello!” The girl in the blood-red dress beamed at Leo. “Are you Dionysus?”There was only one answer to that.“Yes!” Leo yelped. “Absolutely. I am Dionysus.“
— Rick Riordan
„Let's boogie,' he (Leo) said. 'Before I come to my senses“
— Rick Riordan
„How true, how true" said the Sour Kangaroo, "And from now on, you know what I'm gonna do? I'm going to protect them with you!"And the Young Kangaroo in her pouch said "Me too!“
— Dr. Seuss
„Just curious how much I'm going for these days," Leo said. "I mean, I can understand not being as pricey as Percy or Jason, maybe… but am I worth, like, two Franks, or three Franks?“
— Rick Riordan
„What are you talking about?" Narcissus demanded. "I am amazing. Everyone knows this.""Amazing at pure suck," Leo said. "If I was as suck as you, I'd drown myself. Oh wait, you already did that.“
— Rick Riordan