Qui di fianco ecco il diagramma sulle 3 principali minacce collegato al saggio - di Luigi Mosca - "Il lungo percorso dell'Umanità per uscire dalla barbarie". 

Qui sotto il testo di "Mother Earth", un blues registrato da Memphis Slim nel 1951. 

Il ritornello del coro, famosissimo, recita:

Non importa quanto sei grande, 

non importa quello che vali

Quando tutto finisce devi tornare alla madre terra

"Mother Earth"

of Memphis Slim (John Len Chatman)

You may not have me all the time
You may never go my way
Mother earth is laying for you
Cuz of all the debts you got to pay
Don't care how great you are
Don't care what you worth
When it all ends up you got to
Go back to mother earth
You may own a half a city
Even diamonds and pearls
You may buy that plane baby
And fly all over this world
Don't care how rich you are
Don't care what you worth
When it all ends up you got to
Go back to mother earth
You may play race horses
You may own that race track
You may have enough money baby
To buy anything you like
Don't care how great you are
Don't care what you worth
When it all ends up you got to
Go back to mother earth

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