Photon

So a photon checks into a hotel...

Bellman says "Sir may I take your bags?" Photon replies "Nah... I'm traveling light"

A photon is at the customs window when the agent asks: "Do you have any luggage to declare?"

The photon answers: "No, I'm traveling light."

A photon walks into a hotel

The clerk asks "do you have any bags we can help you with?"

Photon says "naw dawg, I'm travelin' light"