'Stand Firm' in the Bible

Paul an apostle of Jesus Christ, by the divine appointment to the converts which are at Ephesus, who stand firm in the faith of Christ Jesus:

Put on the complete armour of God, so as to be able to stand firm against all the stratagems of the Devil.

For this reason, take up the whole armor of God so that you may be able to take a stand whenever evil comes. And when you have done everything you could, you will be able to stand firm.

Stand firm, therefore, having fastened the belt of truth around your waist, and having put on the breastplate of righteousness,