John 12:50 in the King James Version
And I know that his commandment is life everlasting: whatsoever I speak therefore, even as the Father said unto me, so I speak.
Context
49 For I spoke not from myself, but the Father who sent me gave me a commandment, what I should say and what I should speak.
50 I know that his commandment is eternal life. The things therefore which I speak, even as the Father has said to me, so I speak.”