Shel Silverstein also wrote the first poem I ever memorized, and the only one I can recite still.
*Listen to the Musn’ts*
Listen to Mustn'ts, child,
listen to the Don'ts.
Listen to the Shouldn'ts, the Impossibles, the Won'ts.
Listen to the Never Haves, then listen close to me.
Anything can happen, child, Anything can be