Matthew 11:27

Everything has been handed over to me by my Father, and no one understands the Son but the Father, nor does anyone understand the Father but the Son and anyone to whom the Son chooses to reveal him.

John 17:3

And eternal life means knowing you as the only true God, and knowing Jesus your messenger as Christ.

1 John 5:20

And we know that the Son of God has come, and has given us power to recognize him who is true; and we are in union with him who is true, through his Son, Jesus Christ. He is the true God and eternal life.

Treasury of Scripture Knowledge

Summary

The fear of the LORD is the beginning of wisdom: and the knowledge of the holy is understanding.

Bible References

The knowledge

Matthew 11:27
Everything has been handed over to me by my Father, and no one understands the Son but the Father, nor does anyone understand the Father but the Son and anyone to whom the Son chooses to reveal him.
John 17:3
And eternal life means knowing you as the only true God, and knowing Jesus your messenger as Christ.
1 John 5:20
And we know that the Son of God has come, and has given us power to recognize him who is true; and we are in union with him who is true, through his Son, Jesus Christ. He is the true God and eternal life.