John 17:3 in the King James Version
And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
Context
2 even as you gave him authority over all flesh, so he will give eternal life to all whom you have given him.
3 This is eternal life, that they should know you, the only true God, and him whom you sent, Jesus Christ.
4 I glorified you on the earth. I have accomplished the work which you have given me to do.