Authors:

Your former friend Luke " Poseidon corrected. "He once promised things like that. He was Hermes's pride and joy. Just bear that in mind Percy. Even the bravest can fall.

Rick Riordan (2007). “The Titan's curse”
Your former friend Luke  Poseidon corrected. He once promised things like that. He was Hermes's pride and joy. Just bear that in mind Percy. Even the bravest can fall.