Thematic Bible: The lord going away only to return later

As a man going abroad, having left his house and given authority to his servants, to each one his work, also commanded the porter to watch, so also watch ye; for ye know not when the master of the house is coming, whether at evening, or at midnight, or at the cockcrowing, or in the morning;

Let not your heart be troubled. Have faith in God, and have faith in me. In my Fathers house are many mansions; if it were not so, I would have told you. For I go away to prepare a place for you; and when I have gone away and prepared a place for you, I will come again, and will take you to myself; that where I am, ye also may be. read more.
And ye know the way whither I go. Thomas saith to him, Lord, we know not whither thou goest; how then do we know the way? Jesus saith to him, I am the way, and the truth, and the life; no one cometh to the Father but through me.

Jesus knew that they were desirous of asking him, and said to them, Is it of this that ye are inquiring of one another, that I said, A little while, and ye behold me not, and again a little while, and ye will See me? Truly, truly do I say to you, that ye will weep and lament, but the world will rejoice; ye will be sorrowful, but your sorrow will be turned into joy. 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, through joy that a man is born into the world. read more.
So ye also now have sorrow; but I shall see you again, and your heart will rejoice, and your joy no one taketh from you.