Imagine a universe without time or more specifically without the *Flow of Time*. Everything will be a 3D projection and nothing more. No movement, no interaction, and in other words no *Change*. But Our universe is not like this. We have movement, we have interaction, and our world change in many ways. But there is a catch. We have some **0** mass particles in our universe which move at the speed of light eg. Photons and as per the theory of relativity, these particles don't affect by time. So the universe is static in sight of a photon. But it isn't like this. Our world is dynamic. And this kinda raises a contradiction. On one hand, the universe is static and in another the universe is dynamic. Can anyone explain this?