Cyprian

For it is written: "No man that warreth for God entangleth himself with the affairs of this life, that he may please Him to whom he has pledged himself.".
And again: "No man that warreth for God binds himself to anxieties of this world, that he may be able to please Him to whom he hath approved himself. Moreover, also, if a man should contend, he will not be crowned unless he have fought lawfully.".
Concerning this same thing to Timothy: "No man that warreth for God bindeth himself with worldly annoyances, that he may please Him to whom he hath approved himself. But and if a man should contend, he will not be crowned unless he fight lawfully."