"See with the eyes of the mind"
This is famous saying of Plato this philosophy that is the understanding goes beyond physical sight means that He believed the senses can deceive us, while the mind's eye perceives the essence of reality and im totally agree with him.
In one of his theory that the allegory of the cave depicts how most people live in a world of illusions and take what they see to be real.
This journey became toward enlightenment reminds us that it is possible and necessary to see beyond the reality and helps us interface with the world wisely and, in the process,we find a deeper value to living.