Hitchhiker's Guide to Religion
The Key
Sacred Symbol

The Key

Key

(s)

Whoever holds the keys controls access. The key is always about authority.

TraditionFormMeaning
BiblicalKeys of the Kingdom”I will give you the keys of the kingdom of heaven; whatever you bind on earth will be bound in heaven” (Matt 16:19). Given by Christ to Peter
ChristianAuthority to bind and looseThe keys represent the power of the gospel — to open salvation and to close it. Protestant traditions emphasize this as given to the whole Church, not Peter alone
CatholicPapal emblemTwo crossed keys (gold and silver) on the papal coat of arms. The gold key = power in heaven, the silver key = power on earth. Only the Pope holds the “keys of Peter.” The Vatican flag bears crossed keys
BiblicalKey of David”He who has the key of David, who opens and no one shuts, and shuts and no one opens” (Rev 3:7; cf. Isa 22:22). Christ holds the master key. Messianic authority
MasonicKey of knowledgeThe key appears in several degrees. The “key to Masonry” = the tongue (silence protects the craft). In the Royal Arch, the key helps unlock the vault where the lost Word is found
EsotericKeys of initiationEach degree of initiation provides a new “key” to understanding. The key as symbol of hidden knowledge. The ankh as the “key of life.” Hecate holds the keys to the underworld
flowchart LR
    KEYS["<b>THE KEYS</b>"] --> PETER["<b>Catholic</b><br/>Keys of Peter<br/>Papal authority<br/>Gold & silver crossed"]
    KEYS --> DAVID["<b>Biblical</b><br/>Key of David<br/>Messianic authority<br/>(Rev 3:7)"]
    KEYS --> MASONIC_K["<b>Masonic</b><br/>Key = the tongue<br/>Silence & discretion<br/>Royal Arch vault"]
    KEYS --> ESOT_K["<b>Esoteric</b><br/>Keys of initiation<br/>Hidden knowledge<br/>Ankh = key of life"]

    style KEYS fill:#c9a227,color:#000,stroke-width:3px
    style PETER fill:#8b0000,color:#fff