* Courage: Percy Jackson shows great courage in the face of danger. He knows he is only a demigod, but he is willing to risk his life to save his friends and the world. This is a valuable lesson for all of us, as we often face challenges in our own lives that require courage to overcome.
* Friendship: Percy learns that true friends are there for you through thick and thin. His friends Annabeth and Grover are always there to support him, even when things get tough. This reminds us that it is important to cherish our friends and be there for them when they need us.
* Family: Percy discovers that his father, Poseidon, is a powerful god. However, he also learns that his father is not always there for him. This teaches us that we should not rely on others to make us happy, but instead find happiness within ourselves.
* Identity: Percy struggles with his identity throughout the book. He is not sure if he is a demigod or a mortal. This is a common struggle for many people, as we try to figure out who we are and where we belong. The Lightning Thief teaches us that it is okay to be different, and that we should embrace our true selves.
* Fate: Percy learns that he has a destiny to fulfill. He is the son of Poseidon, and he is destined to play a role in the war between the gods and the Titans. This teaches us that we all have a purpose in life, and that we should strive to fulfill our potential.
* Hope: Even when things look dark, Percy never gives up hope. He knows that he must find the Lightning Bolt in order to save the world. This is a valuable lesson for all of us, as we often face challenges in our own lives that seem insurmountable. The Lightning Thief teaches us that we should never give up on our dreams, no matter how difficult they may seem.