Already the person who is harvesting [the crop] is being paid for his work, and is gathering a crop for never ending life, so that the one planting and the one harvesting [the crop] may rejoice together.

then the disciples looked one on another, being in pain to know who he meant.

Truly, I tell all of you emphatically, you'll cry and mourn, but the world will rejoice. You'll be deeply distressed, but your pain will turn into joy.

When a woman is in labor she has pain, because her time has come. Yet when she has given birth to her child, she doesn't remember the agony anymore because of the joy of having brought a human being into the world.

Now you are having pain. But I'll see you again, and your hearts will rejoice, and no one will take your joy away from you.