1 Timothy 6:12

12Compete well
This phrase literally means “compete in the good competition of the faith,” using words that may refer to a race or to a boxing or wrestling match: “run the good race” or “fight the good fight.” The similar phrase in 1 Tim 1:18 uses a military picture and is more literally “war the good warfare.”
for the faith and lay hold of that eternal life you were called for and made your good confession
At some point in Timothy’s life, he publicly acknowledged Jesus as the resurrected Lord, perhaps either at his baptism or his ordination as a minister of the gospel. With this reminder of the historical moment of his good confession, Timothy is encouraged to remain steadfast in his faith and to finish his life as a minister in the same way it began (see G. W. Knight, Pastoral Epistles [NIGTC], 264–65).
for
Grk “confessed the good confession.”
in the presence of many witnesses.
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