Advanced tense humour!

I couldn't resist this homage to Douglas Adams' genius with language.
If you have the chance to read ALL his books, do!
Click on this image to make it big enough to read.
I apologise for copyright infringement, but my intention is to encourage people to buy Douglas Adams' books and give themselves a good laughing-cure. I hope the publishers will forgive me?

image Resto_end_of_universe.png (0.6MB)
Extract from the Restaurant at the End of the Universe