Matthew 11:27
All things were delivered unto me by my Father: and no one perfectly knows the Son, except the Father; neither does any one perfectly know the Father, except the Son; and he to whom the Son may wish to reveal Him.
Matthew 16:17
And Jesus responding said to him, Blessed art thou, Simon the son of Jonah: because flesh and blood did not reveal it to thee, but my Father who is in the heavens.
John 17:3
But this is 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 of the wisdom of the knowledge of God! His judgments are unsearchable, and his ways past tracing out.
Revelation 3:7
And to the angel of the church in Philadelphia write; The holy, true one, the one having the key of David, the one opening, and no one shall shut; and the one shutting, and no one shall open; says these things.
Revelation 4:8
And the four living creatures having six wings, one opposite one of them; filled with eyes without and within; and they cease not day and night, saying; Holy, holy, holy, is the Lord God Omnipotent, who was, and who is, and who is the one coming.