1 Corinthians 2:10
But God has revealed them unto us by his Spirit: for the Spirit searches all things, yea, the deep things of God.
1 Corinthians 2:9
But as it is written, Eye has not seen, nor ear heard, neither have entered into the heart of man, the things which God has prepared for them that love him.
He reveals the deep and secret things: he knows what is in the darkness, and the light dwells with him.
They search out iniquities; they accomplish a diligent search: both the inward thought of every one of them, and the heart, are deep.
Have you entered into the springs of the sea? or have you walked in search of the depths? Have the gates of death been revealed unto you? or have you seen the doors of the shadow of death?
Now when he had ceased speaking, he said unto Simon, Launch out into the deep, and let down your nets for a catch.
The woman said unto him, Sir, you have nothing to draw with, and the well is deep: from where then have you that living water?
Thus says the Lord GOD; You shall drink of your sister's cup deep and large: you shall be laughed to scorn and had in derision; it contains much.
(Now that he ascended, what is it but that he also descended first into the lower parts of the earth?