A universal truth hidden outside reality
*warning* Victims may show one or more of the symptoms stated below or some other symptoms not stated due to this riddler's chicken memory and/or inexperience.
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I am something/someone
I survive on insubstantial food of mind
The more I feed, the more I die
The less I feed, the faster I die
The earlier I go to bed, the longer I take to sleep
I lose hours having thoughts too deep
Mountains of ideas too steep
From one to the other, I leap
I should be the opposite of myself
To be the best opposite of the opposite of myself
My life's work is the song of myself
One in a thousand
A piece of me in every single mindless selves
If I am lucky I end up on a shelf, two or more
If I'm not, at first, I swim to the shore
And walk away
But I end up coming back anyway
My mind and hope never truly fray
I'm a common label for whoever has ever told a tale
A potential societal menace that never goes to jail
Who/what am I?
Answers required. Winners will be paid in self-satisfaction and recognition (nope, sorry, not dollars). Kindly repost so more people can see.