Those Years of Wandering in Different Worlds

They said: I am a hero, I stopped them with a wave of my hand, because I defeated Kizaru with one blow in Marineford and saved the sinner "they" said. They said: I am the best in the world. I shook my head and smiled bitterly, because I could not beat the girl standing in front of me no matter what. They also said: I am an immortal immortal, alas! How do you understand the pain of time being lost forever? They also said: I am omnipotent. I looked at them with helpless expressions on their faces. Stop making trouble! I can't change your thoughts. Well! Time and space! What is Tao?