Richard Feynman:

Energy in a mass is finite, space and time are the same.

At rest, you travel through time at 1 second per 1 second.

If you move through space, some of that energy must be diverted to allow that, so you slow down through time.

If you could move through space at the speed of light, you would have zero motion through time. Time would stop for you.

A photon doesn’t experience time. From the moment it’s emitted to it being absorbed, no time passes.

You can’t got faster than light, because you can’t have less than zero motion through time.