Sentence

A memory is a simple sentence,
A short reminder of some thing you knew,
That you think you still do.
A memory is a lengthy sentence,
The five-to-ten years you still remember
Her smell, her touch, her phone number.
A memory is a powerful pump.
It dredges up all the mire and muck
From when you were lost or struggling or stuck.
A memory is a deep well's pump.
It brings to the surface your path's clear, cool water.
It brings you back up to life as you remember who you are.