Philippians 1:27
Only let your conversation be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;
Colossians 1:29
Whereunto I also labour, striving according to his working, which worketh in me mightily.
Hebrews 12:4
Ye have not yet resisted unto blood, striving against sin.