17 He asked: »What are you talking about with each other as you walk?« They stopped walking and were sad.
Luke 24:17 Cross References - NSB
Ezekiel 9:4-6
4 »Go through the whole city of Jerusalem and put a mark (signature) on the forehead of everyone who is distressed and troubled because of all the disgusting things being done in the city.«
5 I heard God say to the other men: »Follow him through the city and kill. Spare no one! Have mercy on no one.
6 »Kill the old men, young men, young women, mothers, and children. But do not touch anyone who has the mark on his forehead. Start here at my Temple.« So they began with the elders who were standing there at the Temple.
John 16:6
6 »Now that I have spoken these things to you, sorrow fills your heart.
John 16:20-22
20 »Truly I tell you, you will weep and lament, but the world will rejoice. You will be sorrowful, but your sorrow will be turned into joy.
21 »A woman in tribulation has sorrow, because her hour to give birth has come. When she delivers the child, she remembers no more anguish, because of the joy that a man is born into the world.
22 »You have sorrow now. But I will see you again. Your heart will rejoice and no one can take your joy from you.