How can you say you are a Phantom?

Quotes from Seiichi Kirima.
Seiichi Kirima wrote about holographic theories until he was murdered by the organization.(cf. Boogiepop Phantom)

1. "The past will often attack the present with the pain of your memories."
2. "The brain is a microcosm creating its own stories. People then live out these stories."
3. "There is no wish that doesn't come true."
4. "The waking dream called the world is constantly changing. What's so sad about that?"
5. "Time does not exist. Only the illusion of memories exist."
6. "There is a difference between missing the good old days and being stuck in the past."
7. "Pure perfection has no past. That is how you live perfectly."
8. "Existence does not rely on matter. Everything is phantom."
9. "How can you say you are a phantom?"