Why is gold so valuable? It is because we want to apply our efforts into various immutable material objects, i.e. objects that will not decay or rust.
In relation to spirituality, gold represents the full correction of egoism, i.e. when our inborn desire to enjoy acquires a full intention of bestowal and love for the other. In the language of Kabbalah, gold represents our connection to the Sefira of Keter, and silver represents the ego’s partial correction, our connection to the Sefira of Bina.
As long as egoism rules in the world, we will value gold as the universal and global equivalent of the egoistic forces, i.e. the forces of the desire to enjoy for self-benefit. But when people trade their egos for positive connection, i.e. when our desire to enjoy acquires an intention to bestow upon others that lets us positively connect to each other, then we will value gold as an ordinary metal, and will no longer use it for trade. At that point, we will only use the value of bestowal to one another as a measure for trading.
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