In The Interior Castle (1577), Teresa describes the soul as a castle made of a single diamond, with many rooms in seven dwellings. The door is prayer. The soul passes inward from self-knowledge through the prayer of quiet and union to the spiritual marriage at the centre, where God dwells.
Interior Castle
Teresa of Ávila’s image of the soul as a castle of seven dwellings, with God at the centre.
Also: The Mansions, Moradas