Holding Fast to the Happy Hope (Song 119 from Sing Praises to Jehovah)

Watchtower Bible and Tract Society - Holding Fast to the Happy Hope is taken from Sing Praises to Jehovah released in 1984

1 John 4:1-3: “Test the inspired expressions to see whether they originate with God, because many false prophets have gone forth into the world. You gain the knowledge of the inspired expression from God by this: Every inspired expression that confesses Jesus Christ as having come in the flesh originates with God, but every inspired expression that does not confess Jesus does not originate with God.”

What is Beth Sarim?
https://en.wikipedia.org/wiki/Beth_Sarim

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1874
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1975

Eschatology
https://en.wikipedia.org/wiki/Eschatology_of_Jehovah%27s_Witnesses#:~:text=The%20group's%20doctrines%20surrounding%201914,publications%20between%201879%20and%201924.