Nico found a sort of freedom in knowing that eventually, no... - Rick Riordan, The Blood of Olympus

"A wind that blows aimlessly is no good to anyone."

"He hated when his own advice applied to himself."

"Nico knew something about ghosts. Letting them get inside your head was dangerous. He wanted to help Reyna, but since his own strategy was to deal with his problems alone, spurning anyone who tried to get close, he couldn’t exactly criticize Reyna for doing the same thing."

"Fear can’t be reasoned with. Neither can hate. They’re like love. They’re almost identical emotions. That’s why Ares and Aphrodite like each other. Their twin sons – Fear and Panic – were spawned from both war and love."

"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."