Rob Hain - The Valley of Contentment

...the nightingale of the heart hath other songs and secrets, which make the heart to stir and the soul to clamour, but this mystery of inner meaning may be whispered only from heart to heart, confided only from breast to breast.
Baha'u'llah

The image here is divested of all ambiguity. It is simply a prison, but a prison where escape is possible. The calligraphic markings that appear within this and the preceding paintings are representative of the emerging soul, a kind of pseudo-Arabic text. The prison is the prison of self.