1 Corinthians 9:7
Who ever serveth as a soldier at his own charges? Who planteth a vineyard without eating its fruit? Or who tendeth a flock and doth not eat of the milk of the flock?
2 Corinthians 10:4
(for the weapons of our warfare are not fleshly, but mighty through God to the pulling down of strong holds,)
1 Timothy 1:18
This charge I commit to thee, my child Timothy, in accordance with the directions of the prophets before given to thee, that thou mayst in them war the good warfare,
1 Timothy 6:12
Fight the good fight of faith, lay hold on everlasting life, to which thou wast called, and didst profess the good profession before many witnesses.
2 Timothy 2:3-5
Endure hardship with me as a good soldier of Christ Jesus.