Some of existence is a prison. All of Reality is Freedom.
That which is Immanent is Freedom, the very Love of the Father-Mother for the Child.
That which is Transcendent is Spirit.
That which misqualifies Energy imprisons, by an impersonal law of cause and effect.
Related:
The Path of the Higher Self ("the thing that made us" is God Ourselves);
Watch Your Dreams;
The Great Divorce;
Beams from Meher Baba;
Autobiography of a Yogi;
https://en.wikipedia.org/wiki/Maslow's_hierarchy_of_needs