John 1:49 in the King James Version
Nathanael answered and saith unto him, Rabbi, thou art the Son of God; thou art the King of Israel.
Context
48 Nathanael said to him, “How do you know me?” Jesus answered him, “Before Philip called you, when you were under the fig tree, I saw you.”
49 Nathanael answered him, “Rabbi, you are the Son of God! You are King of Israel!”
50 Jesus answered him, “Because I told you, ‘I saw you underneath the fig tree,’ do you believe? You will see greater things than these!”