Prov 1:7, Prov 9:10, Jn 17:3, 1 Jn 5:20
In the Old Testament, the psalmist said that the fear of God was the beginning of wisdom. (Psalms 111:10)
Psalms 111:10 The fear of the Lord is the beginning of wisdom: a good understanding have all they that do his commandments: his praise endureth for ever.
In the Old Testament, Solomon said that the fear of God was the beginning of knowledge. (Proverbs 1:7, Proverbs 9:10)
Proverbs 1:7 The fear of the Lord is the beginning of knowledge: but fools despise wisdom and instruction.
Proverbs 9:10 The fear of the Lord is the beginning of wisdom: and the knowledge of the holy is understanding.
To know God and the Christ whom God has sent is eternal life. (John 17:3)
John 17:3 And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
Jesus made us know that Jesus is the Christ and that He is the true God. (1 John 5:20)
1 John 5:20 And we know that the Son of God is come, and hath given us an understanding, that we may know him that is true, and we are in him that is true, even in his Son Jesus Christ. This is the true God, and eternal life.