Cosmic time is the same for everyone, but human time differs with each person. Time flows in the same way for all human beings; every human being flows through time in a different way.
Jay-Z is like a rap-savant, he doesn't have to write the rhymes down, he can create complex raps in his head. I mean he does memorize it, he just doesn't write it down on paper. He doesn't freestyle onto the track, it's all thought out.