Luke 24:17
Then He said to them, "What is this that you are discussing together as you walk?" So they stopped and stood still with puzzled countenances.
John 16:6
but sorrow has taken complete possession of your hearts, because I have told you these things.
John 16:20-22
I most solemnly say to you, you will weep and wail, but the world will be glad; you will grieve but your grief will be turned into gladness.
Treasury of Scripture Knowledge
Summary
And he said unto them, What manner of communications are these that ye have one to another, as ye walk, and are sad?