Matthew 11:27
"All things were delivered to Me by My Father; and no one fully knows the Son except the Father; neither does any one fully know the Father except the Son, and he to whom the Son willeth to reveal Him.
Matthew 16:17
And Jesus, answering, said to him, "Happy are you, Simon Bar-Jonah; because flesh and blood did not reveal it to you, but My Father Who is in Heaven.
John 17:3
And this is the eternal life, that they know Thee, the only true God, and Jesus Christ Whom Thou didst send.
Romans 11:33
O the depth of the riches both of the wisdom and the knowledge of God! How unsearchable are His judgments, and His ways past tracing out,
Ephesians 3:18-19
may be strong to apprehend, with all the saints, what is the breadth, and length, and height, and depth,
Revelation 3:7
"And to the angel of the assembly in Philadelphia write these things," saith He Who is holy, He Who is true, He Who hath the key of David, He Who openeth, and no one shall shut; and shutteth, and no one opens:
Revelation 4:8
And the four living creatures, having each one of them six wings, are full of eyes around and within; and they have no rest, day and night, saying, "Holy! Holy! Holy! the Lord God, the Almighty, Who was, and Who is, and Who is coming!"