.THIS IS JUST AN INTERESTING POEM BY JOHN DUNNE, in which he describes the solidarity of all people.
The title was taken up again by Ernest Hemmingway in his description of the battle of Ronda in Andalusia between fascists and partisans, in which fascists were pushed off a cliff.
Of course, the Beegees, an australian pop group, used it too in their song and some other bands have done likewise, though we do not know if the estate of John Dunne has filed any copyright claims to date.

The book is available here though after the suit against archive you have to "borrow" it.
Aaron Swartz has an interesting take on the whole book borrowing issue on you tube, just look for his talk on "open Libraries." given, about 5 years before he died.