Mirrors can be a reflection of our mood, our desire, our essence, they are a temporary receptacle for some small fragment of our soul.
Within each piece is a parallel world, a divergent reflection of the viewer's world. It highlights the similarities while remarking the inevitable differences. In this, it seeks to address deep interconnectedness while reminding each observer of their unique perspective. 
"A human being is a part of the whole called by us universe, a part limited in time and space. He experiences himself, his thoughts and feeling as something separated from the rest, a kind of optical delusion of his consciousness. This delusion is a kind of prison for us, restricting us to our personal desires and to affection for a few persons nearest to us. Our task must be to free ourselves from this prison by widening our circle of compassion to embrace all living creatures and the whole of nature in its beauty." ― Albert Einsten