While gold and mercury are associated with spirituality, this metal relates to the earth and the inferior. It symbolizes fortitude, lack of flexibility, and excessive rigor. These ideas are usually linked to violent images, in which power is acquired through physical force. (See blacksmith ) This dream has unfavorable omens, since iron portends stress and pain. Among the Persians, however, iron was very esteemed and, seen in dreams, promised goods and happiness.