"There's no Undo button on a shredder"

There's no Undo button on a shredder.
Words said, cannot be unsaid.
Deeds done, cannot be undone.
It takes time and effort to clean up spilled milk.  Or broken glass.
Time is the ultimate independent variable.  You can't speed it up, slow it down, or make it go backwards.
The rich man and the poor man, the saint and the sinner, all get 24 hours in a day.
Some of us get more days than others, some get less.
What matters the most is what you do with the days and hours allotted to you.
And that you can live those days without needing (or wishing for) an Undo button.

Afterthoughts:
1. Undo button on a shredder?  I'm certain the CIA and former KGB can do it, but let's not complicate the poetry, okay?
2. Repentance and forgiveness, applied together, allow us to undo deeds and unsay words to a certain degree, but how many of us are smart enough to truly make use of these divine gifts?