St. John Chrysostom (from the Homily for the New Year)

Whom God praises, do not censure: he praises the one living in righteousness, even if he be poor; whom God turns away, do not praise: he turns away the one living in wickedness, even if he be surrounded by much wealth. But if you praise, and if you censure, do both as God wishes. For there is even accusing unto the glory of God. How? Frequently we are vexed with our servants. How then is there accusing for God’s sake? If you see someone drunk, or stealing, whether servant, or friend, or some other of those related to you, whether running into the theatre, or having no concern for their soul, or swearing [i.e. swearing oaths], or perjuring [i.e. to swear falsely] or lying: be angry [6], punish, turn them back, correct; and you did all these things for God’s sake. And if you see someone sinning against you, and omitting something of their service toward you, pardon them, and you are forgiven for God’s sake. But now many do the opposite, both to their friends, and to their servants. For when they sin against them, they become bitter and unforgiving judges; but when they insult God, and ruin their own souls, they produce no rationale. Again, is it necessary to make friends? Make them, for God’s sake. Is it necessary to make enemies? Make them, for God’s sake. And by what means does one make friends and enemies for God’s sake? If we do not attract those friends, whence money is taken, whence sharing of a table, whence obtaining of human patronage, but pursue and make those friends, those able always to order our soul, counsel necessities, rebuke sinners, expose trespassers, restore those fallen, and aiding by counsel and prayers to lead to God. Again, it is permitted to make enemies for God’s sake. If you see someone undisciplined, abominable, full of wickedness, replete with unclean teachings, tripping you up and harming you, stand apart and turn away, just as also Christ commanded, saying, “If your right eye trips you up, pluck it out and cast it from you” [Mt 5:29] commanding those friends, those being desirable in the rank of eyes [7], and necessary in the things of everyday life, to cut off, and to cast out, if they harm you with regard to the salvation of the soul. If you share in their meetings, and you prolong your speech, do even this for God’s sake, and if you keep silent, keep silent for God’s sake.