If you are a Christian, no earthly city is yours. Of our City ‘the Builder and Maker is God.’ Though we may gain possession of the whole world, we are withal but strangers and sojourners in it all. We are enrolled in heaven: our citizenship is there! Let us not, after the manner of little children, despise things that are great, and admire those which are little! Not our city’s greatness, but virtue of soul is our ornament and defence. If you suppose dignity to belong to a city, think how many persons must partake in this dignity, who are whoremongers, effeminate, depraved and full of ten thousand evil things, and at last despise such honour! But that City above is not of this kind; for it is impossible that he can be a partaker of it, who has not exhibited every virtue. St John Chrysostom
For what more fitly or more fully befits our care and solicitude than to prepare the people divinely committed to us and the army established in the heavenly camp with constant exhortations against the weapons and darts of the devil? For he cannot be a soldier fit for war who has not first been trained in the field, nor will he who seeks to obtain the contestant’s crown be crowned in the stadium, unless he first gives thought to the practice and skill of his powers. He is an old adversary and an ancient enemy with whom we wage battle. Almost six thousand years are now being fulfilled since the devil first attacked man. All kinds of tempting and arts and plots for his overthrow has he learned by the very practice of a long time. If he finds a soldier of Christ unprepared, if untrained, if he does not find him vigilant with a solicitous and whole heart, he besets him in ignorance: he deceives the incautious, he entraps the inexperienced. But if anyone guards the precepts of the Lord, and bravely adhering to Christ stands against the devil, he must be conquered, since Christ whom we confess is invincible. St Cyprian of Carthage