In simpler words, what you said is that if anything has a larger mass than a photon, it will have a slower speed than the speed of light, which makes a lot of sense according to the Quantum Physics. However, I wish someone else could have posted it a little faster, since I already got the answer 27 hours ago

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram