“You have entered the Church, O Man; you have been held worthy of the company of Christ. Go not out from it: unless you be sent. For if go out from it without being sent you will be asked the reason; as if you were a runaway. You spend the whole day on things which relate to the body, and you cannot give a couple of hours to the needs of the soul? You go often to the theatre. And you will not leave there till they send you away. But when you come to the Church you rush out before the Divine Mysteries are ended. Be fearful of Him Who has said: He that despiseth anything, shall it be despised (Prov. xiii. 13).
Were you to stand in the presence of the king you would not even dare. But when you stand in the presence of the Lord of all, you do not stand there in fear and trembling, you laugh, provoking him to anger? Do you not see that by this conduct you provoke Him more by your very sins? God is not wont to be as angry against those who sin as against those who, when they have sinned, feel neither sorrow regret.”
— St. John Chrysostom, On the Respect Due to the Church of God and to the Sacred Mysteries