NET
50 And I know that his commandment is eternal life. Thus the things I say, I say just as the Father has told me.”
Darby
50 and I know that his commandment is life eternal. What therefore I speak, as the Father has said to me, so I speak.
KJV
50 “And I know that his commandment is life everlasting: whatsoever I speak therefore, even as the Father said unto me, so I speak.”