Communion Antiphon, Rev 3:20: Behold, I stand at the door and knock, says the Lord. If anyone hears my voice and opens the door to me, I will enter his house and dine with him, and he with me.Gospel Excerpt, Year C, Luke 10:41-42:The Lord said to her in reply, “Martha, Martha, you are anxious and worried about many things. There is need of only one thing. Mary has chosen the better part and it will not be taken from her.”Sunday Readings, Year C: