1 Corinthians 9:7
Who at any time serves as a soldier at his own expense? Who plants a vineyard and does not eat of its fruit? Who tends a flock and does not drink of the milk?
2 Corinthians 10:4
For the weapons of our warfare are not the weapons of the world, but they have divine power to destroy strongholds.
1 Timothy 1:18
I give you this command, Timothy, my son, in accordance with the prophecies once made about you, that by them you may fight the good fight,
1 Timothy 6:12
Fight the good fight of the faith; take hold of the eternal life to which you were called when you made the good confession in the presence of many witnesses.
2 Timothy 2:3-5
Share in hardship as a good soldier of Christ Jesus.