A.T. Robertson Commentary 1 Timothy 6:12

"Fight the good fight of the faith, lay hold on the life eternal, whereunto thou wast called, and didst confess the good confession in the sight of many witnesses." — 1 Timothy 6:12 (ASV)

Fight the good fight (αγωνιζου τον καλον αγωνα). Cognate accusative with present middle imperative of αγωνιζω, Pauline word (1 Corinthians 9:25; Colossians 1:29).

Lay hold on (επιλαβου). Second (ingressive) aorist middle imperative of επιλαμβανω, "get a grip on." See same verb with genitive also in verse 19.

Thou wast called (εκληθης). First aorist passive of καλεω as in 1 Corinthians 1:9; Colossians 3:15.

The good confession (την καλην ομολογιαν). Cognate accusative with ωμολογησας (first aorist active indicative of ομολογεω, the public confession in baptism which many witnessed. See it also in verse 13 of Jesus.