Iron is the Martian symbol of willpower, which our lust (Goliath) uses in the wrong way, especially through the spear (masculine sexual organs).
Whenever we face our lust, we experience Indecision, especially in the sexual act. By controlling our desires through Christ’s will, the Divine Mother can weave the solar bodies through the golden thread of our sexual energy.
For thirty years I sought God. But when I looked carefully I found that in reality God was the seeker and I the sought. -Bayazid al-Bastami