13 Be on your guard; stand firm in the faith; be courageous; be strong.

13 Be watchful, stand firm in the faith, act like men, be strong.

13 Watch ye, stand fast in the faith, quit you like men, be strong.

13 Watch, stand fast in the faith, be brave, be strong.

13 Be alert. Continue strong in the faith. Have courage, and be strong.

13 Watch ye, stand fast in the faith, quit you like men, be strong.

13 Be vigilant; stand fast in the faith; quit yourselves like men; be strong.

13 Be alert. Be firm in the Christian faith. Be courageous and strong.

13 Be alert, stand firm in the faith, act like a man, be strong.

13 Keep alert, stand firm in your faith, be courageous, be strong.

13 Be on the alert, stand firm in the faith, act courageously, be strong.

13 Be on your guard. Stand firm in the faith. Be brave. Be strong.

13 Be on the alert, stand firm in the faith, act like men, be strong.