@[sfascia carrozze]. I know I shouldn't tell you this, but I will.
This is the shortest science fiction microstory in the World, or rather the Universe.

Science Fiction for Telepaths
By E Michael Blake

Well, you know what I mean.

Original title: Science Fiction for Telepaths - © 1977 E. Michael Blake.
Taken from "Microfantascienza: altre 44 storie".