NET
9 If we accept the testimony of men, the testimony of God is greater, because this is the testimony of God that he has testified concerning his Son.
Darby
9 If we receive the witness of men, the witness of God is greater. For this is the witness of God [which] he has witnessed concerning his Son.
KJV
9 If we receive the witness of men, the witness of God is greater: for this is the witness of God which he hath testified of his Son.