Keys-to-the-kingdom meaning

(idiomatic) A resource, usually information or knowledge, the possession of which gives the possessor access to power.
noun
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Origin of keys-to-the-kingdom

  • Originating from the concept of resources that were the means of obtaining control over an actual kingdom, i.e., a realm under the rulership of a king. Compare also King James Bible Matthew 16:19, "I will give unto thee the keys of the kingdom of heaven."

    From Wiktionary