When Paul came to the end of his life, he said in 2 Timothy 4:7, “I have fought the good fight, I have finished the race, I have kept the faith.” And in 1 Timothy 6:12, he tells Timothy, “Fight the good fight of faith. Take hold of the eternal life to which you were called.”
Life is war because the maintenance of our faith and the laying hold of the eternal life we have is a constant fight. Paul makes clear in 1 Thessalonians 3:5 that the No. 1 target of Satan is faith. If we endure to the end, Jesus said we will be saved (see Mark 13:13), and Satan is fighting always to bring us to ruin by destroying our faith.
Concerning his own life of warfare, Paul said earlier, “I do not run aimlessly; I do not box as one beating the air. But I discipline my body and keep it under control, lest after preaching to others I myself should be disqualified” (1 Corinthians 9:26-27).
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