Sammiscribbles weekend writing prompt #287 Aghast at the past

There’s an old adage you must surely have heard

it just trips off the tip of the tongue

but now it’s replaced by a single word which

I think is from the East but most famously sung

on a record by the Beatles a long while ago

or perhaps not all of them but just the one

Instant Karma on Chapman we should entreat

and then surely find that revenge is sweet.