John 16:21 in the King James Version
A woman when she is in travail hath sorrow, because her hour is come: but as soon as she is delivered of the child, she remembereth no more the anguish, for joy that a man is born into the world.
Context
20 Most certainly I tell you that 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, when she gives birth, has sorrow because her time has come. But when she has delivered the child, she doesn’t remember the anguish any more, for the joy that a human being is born into the world.
22 Therefore you now have sorrow, but I will see you again, and your heart will rejoice, and no one will take your joy away from you.