80 A number of early (𝔓66 א* B C* D L W as well as several versional witnesses) do not have the words “If God is glorified in him,” while the majority of have the clause (so א2 A C2 Θ Ψ f13 33 𝔐 lat). Although the that omit the words are significantly better witnesses, the omission may have occurred because of an error of sight due to homoioteleuton (v. 31 ends in ἐν αὐτῷ [en autō, “in him“], as does this clause). Further, the typical step-parallelism found in John is retained if the clause is kept intact ( ). At the same time, it is difficult to explain how such a wide variety of witnesses would have accidentally deleted this clause, and arguments for intentional deletion are not particularly convincing. rightly places the words in brackets, indicating doubt as to their authenticity.
81 Or “immediately.”

In other versions

If God is glorified in him, God will also glorify him in himself, and glorify him at once.

If God is glorified in him, God will glorify the Son in himself, and will glorify him at once.

If God is glorified in him, God will also glorify him in himself and will glorify him at once.

And since God receives glory because of the Son, he will give his own glory to the Son, and he will do so at once.

If God is glorified in him, God will also glorify him in himself, and will glorify him immediately.

If God be glorified in him, God shall also glorify him in himself, and shall straightway glorify him.

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