Nico

“No,’ Nico said. ‘Getting a second life is one thing. Making it a better life, that’s the trick.’ As soon as he said it, Nico realized he could’ve been talking about himself. He decided not to bring that up.”
― Rick Riordan, The Blood of Olympus

“Your voice is your identity. If you don't use it, you're halfway to Asphodel already.”
― Rick Riordan, The Blood of Olympus

“Then she did something so unexpected Nico would later think he dreamed it. She walked up to Nico, who was standing to one side in the shadows, as usual. She grabbed his hand and pulled him gently into the firelight. ‘We had one home,’ she said. ‘Now we have two.’ She gave Nico a big hug and the crowd roared with approval. For once, Nico didn’t feel like pulling away. He buried his face in Reyna’s shoulder and blinked the tears out of his eyes.”
― Rick Riordan, The Blood of Olympus

“He looked at the silver pocketknife in his hand. An idea came to him – possibly the stupidest, craziest idea he’d had since he thought, Hey, I’ll get Percy to swim in the River Styx! He’ll love me for that!”
― Rick Riordan, The Blood of Olympus