Can anyone finish this???

Ladies and Gentlemen,
I have come before you to stand behind you.
To tell you something I know nothing about.
Tis about the four corners of the round table.
...
...

This is all I can remember...it was something I heard 40 or more years sgo
It has always been in my mind to find the rest of it...please help..LOL
june ...way up here in Cambridge Ontario Canada

I have a book of children's jokes, etc., at home that has a couple of versions of this. I can post it this evening.