Beloved (agaphtoi). As in 3 John 1:2 . All diligence (pasan spoudhn). As in 2 Peter 1:5 . Of our common salvation (peri th koinh hmwn swthria). See this use of koino (common to all) in Titus 1:4 with pisti, while in 2 Peter 1:1 we have isotimon pistin, which see. I was constrained (anagkhn escon). "I had necessity" like Luke 14:18 ; Hebrews 7:27 . To contend earnestly (epagwnizesqai). Late and rare (in Plutarch, inscriptions) compound, here only in N.T. A little additional (epi) striving to the already strong agwnizesqai (agwn contest). Cf. 1 Timothy 6:12agwnizou ton kalon agwna. For the faith (th--pistei). Dative of advantage. Here not in the original sense of trust, but rather of the thing believed as in verse 1 Timothy 20 ; Galatians 1:23 ; Galatians 3:23 ; Philippians 1:27 . Once for all delivered (apax paradoqeish). First aorist passive participle feminine dative singular of paradidwmi, for which see 2 Peter 2:21 . See also 2 Thessalonians 2:15 ; 1 Corinthians 11:2 ; 1 Timothy 6:20 .