Matthew 11:27
All things are delivered to me by my Father: and no one knoweth the Son, but the Father; nor does any one know the Father, but the Son, and he to whom the Son is pleased to reveal Him.
Matthew 16:17
And Jesus replied and said unto him, Blessed art thou Simon son of Jonas, for flesh and blood hath not revealed it unto thee, but my Father who is in heaven.
John 17:3
and this is life eternal, to know Thee the only true God, and Jesus Christ whom thou hast sent.
Romans 11:33
O the depth of the riches both of the wisdom and knowledge of God! how unsearchable are his judgements, and his ways not to be traced out!
Ephesians 3:18-19
that ye may be able, with all the saints, to comprehend what is the breadth, and length, 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, He that hath the key of David, He that openeth and no one shutteth, and shutteth and no one openeth:
Revelation 4:8
And the four animals had each of them six wings round about, and within were full of eyes; and they cease not day and night saying, Holy, holy, holy is the Lord God almighty, who was, and who is, and who is to come.