From Nothing Twice by Wislawa Szymborska:
”Nothing can ever happen twice.
In consequence, the sorry fact is
that we arrive here impoverished
and leave with no chance to practice.
Even if there is no one dumber,
if you’re the planet’s biggest dunce,
you can’t repeat the class in summer;
this course if offered only once.”
All the more reason to get it right the first time!