Matthew 11:27
All things are delivered up to me by my Father: and no person knoweth the Son but the Father; neither knoweth any person the Father but the Son, and he to whom the Son is pleased to reveal him.
Matthew 16:17
And Jesus replying, said to him, Blessed art thou, Simon Barjona; for flesh and blood hath not revealed this to thee, but my Father, who is in heaven.
John 17:3
and this is eternal life, that they should know thee the only true God, and him whom thou hast sent, Jesus, the Messiah.
Romans 11:33
O the depth of the riches both of the wisdom and knowledge of God! how unsearchable are his judgments, and how incomprehensible his ways!
Ephesians 3:18-19
ye may be strengthened to comprehend with all saints, what is the breadth and length, and height and depth;
Revelation 3:7
And to the angel of the church in Philadelphia write, These things saith the Holy One, he that is true, who hath the key of David, who openeth, and none shutteth, and shutteth, and no man openeth.
Revelation 4:8
And the four living beings had each for himself six wings encircling him, and within they were full of eyes; and they never cease day and night, saying, Holy, holy, holy, Lord God Almighty, who was, and who is, and who is coming.