At the bottom it says:
Remember friends, as you pass by
As you are now, so once was I
As we are now, soon you shall be
Prepare for death and follow me
In the old days, people were creative with their headstones. Nowadays they put plastic doodads on them. Oh well.
Believe it or not, that thing has a photocell on the back, presumably so that it will light up at night.