What's done is done is done,
my friend.
What's done is done is done.
There ain't no turning back again.
'cause what's done, is done, is done.
& I won't hold ought against you.
& this once I'll let you know,
what's done is done is done,
my friend, oh no?
What's done is done is done.
JohnPeter Creighton
http://www.poemhunter.com/poem/what-s-done-is-done-is-done/