Future Archaeological Fragment

No-one walks the streets
(There are no streets)
Beware of losing insanity!
Keep off the dog! beware of the grass!
(Grass . . . . Grass?)
For us of the "outer class"
They have another pill—
X-3 Anti-memory.
They'll be running out of letters soon.
Please be careful—
You are nearly the last Person
Who will listen to my mad mumblings.

Arthur