Matthew 11:27
"All things have been delivered to me by my Father. No one knows the Son except the Father, and no one knows the Father except the Son and those to whom the Son chooses to reveal him.
Matthew 16:17
And Jesus answered him, "Blessed are you, Simon Bar-Jonah! For flesh and blood has not revealed this to you, but my Father who is in heaven.
John 17:3
And this is eternal life, that they may know you, the only true God, and Jesus Christ whom you have sent.
Romans 11:33
Oh, the depth of the riches and of the wisdom and knowledge of God! How unsearchable are his judgments and his ways past finding out!
Ephesians 3:18-19
may have power to comprehend with all the 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 are the words of him who is holy, who is true, who has the key of David, who opens and no one shuts, and shuts and no one opens:
Revelation 4:8
And the four living creatures, each of them with six wings, are full of eyes all around and within, and day and night they never cease to sing, "Holy, holy, holy, is the Lord God Almighty, who was and is and is to come."