I met an old man years ago
He came knocking on my door
Something seemed familiar
As if I'd seen him once before

A crescent scar upon his nose
And something hidden in his eye
He clawed my face as he collapsed
And held his chest with a deep sigh

In pain and shock I froze until
He spoke in a riddled tongue
"I am you when you were old
And you are me when I was young"

Forty years have passed but now
I fear what comes today
I guess I'll just start knocking
But I know just what I'll say