Today I tried.
Again and again.
To jump over my own shadow.
Each time I jumped
it moved first.
So, I tried leaping.
But my shadow only
leaped ahead of me.
And now we were
doing long jumps.
But it was the headway
that remained
completely
out of reach.
Bugger.
Herbert Nehrlich
http://www.poemhunter.com/poem/my-shadow-4/