Albert Barnes Commentary John 8:16

"Yea and if I judge, my judgment is true; for I am not alone, but I and the Father that sent me." — John 8:16 (ASV)

And yet, if I judge. If I should express my judgment of men or things. He was not limited, nor forbidden to do it, nor restrained by any fear that his judgment would be erroneous.

My judgment is true. Is worthy to be regarded.

For I am not alone (John 8:29; John 16:32). I concur with the Father who has sent me. His judgment you admit would be right, and my judgment would accord with his. He was commissioned by his Father, and his judgment would coincide with all that God had purposed or revealed. This was shown by the evidence that God gave that he had sent him into the world.