I don’t understand even a fraction of the things he knew and spoke of, but his was a simply incredible mind. Humanity was richer for his existence, continues to be richer for his contributions, and is now poorer for his departure from this biological state.
Not a bad run, for a man who was given two years to live back in 1963. Guess when you’re the master of time, space, matter, energy, cosmology, relativity, quantum mechanics and the underlying mathematics of it all, you can make two years go a long way.
It would not be much of a universe if it wasn’t home to the people you love.