5 Bible Verses about Deep Things

For God revealed them to us through his Spirit, for the Spirit fathoms everything, even the depths of God himself.

But, as the Scripture says, there are things "Which no eye ever saw and no ear ever heard, And never occurred to the human mind, Which God has provided for those who love him."

When he stopped speaking, he said to Simon, "Push out into deep water, and then put down your nets for a haul."

She said to him, "You have nothing to draw water with, sir, and the well is deep. Where can you get your living water?

What does "he went up" mean, except that he had first gone down to the under parts of the earth?