The Missing Piece Meets the Big O by Shel Silverstein

---

The missing piece sat alone waiting for someone
to come along and take it somewhere.

Some fit but could not roll.
Other could roll but did not fit.

One didn't know a thing about fitting.
And another didn't know a thing about anything.

One was too delicate.
(POP!)

One put it on a pedestal  and left it there.

Some had too many pieces missing.
Some had too many pieces,
period.
It learned to hide from the hungry ones.

Some looked too closely.
Others rolled right by without noticing.
More came.

It tried to make itself more attractive
it didn't help.
It tried being flashy
but that just frightened away the shy ones.

At last one came along that fit just right.