He who does not believe according to the tradition of the Catholic Church is an unbeliever.
John of Damascus...we shall incur no slight injury, but rather great danger, if we rashly yield ourselves to the inclinations of men who aim at exciting strife and tumults, so as to draw us away from what is good? Let us cleave, therefore, to those who cultivate peace with godliness?
John of DamascusTo serve Mary and to be her courtier is the greatest honor we can possibly possess; for to serve the Queen of Heaven is already to reign there; and to live under her command is more than to govern.
John of DamascusAngels are intelligent reflections of light, that original light which has no beginning. They can illuminate. They do not need tongues or ears, for they can communicate without speech, in thought.
John of DamascusThe saints must be honored as friends of Christ and children and heirs of God. Let us carefully observe the manner of life of all the apostles, martyrs, ascetics, and just men who announced the coming of the Lord. And let us emulate their faith, charity, hope, zeal, life, patience under suffering, and perseverance unto death so that we may also share their crowns of glory.
John of Damascus