„Now… well, after what happened in Tartarus, it seemed like Percy had graduated to a totally different level of butt-kickery.“

— Rick Riordan
„Dude." Jason gave Percy a bear hug."Back from Tartarus!" Leo whooped. "That's my peeps!“
— Rick Riordan
„It was quite impossible to describe.Here is what it looked like.It looked like a piano sounds shortly after being dropped down a well. It tasted yellow, and it felt Paisley. It smelled like the total eclipse of the moon.“
— Terry Pratchett
„Things just happen, one after another. They don't care who knows. But… ah, history is different. History has to be observed. Otherwise it's not history. It's just… well, things happening one after another.“
— Terry Pratchett
„For a moment, Percy actually remembered what it was like to be happy. He had an amazing girlfriend. They could have a future together.“
— Rick Riordan
„So what if they were in Tartarus? So what if they stood a slim chance of surviving? He was so glad that they were together, he had the ridiculous urge to smile.“
— Rick Riordan
„Nico studied his face – his sea-green eyes, his grin, his ruffled black hair. Somehow Percy Jackson seemed like a regular guy now, not a mythical figure. Not someone to idolize or crush on.“
— Rick Riordan
„The Death Mist is not for helping!" Akhlys shrieked. "It shrouds mortals in misery as their souls pass into the Underworld. It is the very breath of Tartarus, of death, of despair!""Awesome," Percy said. "Could we get two orders of that to go?“
— Rick Riordan
„Percy grunted. “Believe me, some days I regret the choice. Oh, you want to turn down our offer? Okay, fine! ZAP! Lose your memory! Go to Tartarus!“
— Rick Riordan