Pareidolia, WikiPedia

Every man takes the limits of his own field of vision for the limits of the world.
Arthur Schopenhauer, Studies in Pessimism: The Essays

There are things known and there are things unknown, and in between are the doors of perception.
Aldous Huxley

Here is the ancient floor,
Footworn and hollowed and thin,
Here was the former door
Where the dead feet walked in …
Thomas Hardy, The Self‐Unseeing

I am‧yet what I am none cares or knows;
My friends forsake me like a memory lost:
I am the self-consumer of my woes‧
They rise and vanish in oblivious host,
Like shadows in love's frenzied stifled throes
And yet I am, and live …
John Clare, I Am

I Am ... I Said, Neil Diamond

Bad Liar, J.Fla

My Mother Told Me, Rachel Hardy