Parallel
2 Corinthians 13:3
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
ἐπεὶ δοκιμὴν ζητεῖτε τοῦ ἐν ἐμοὶ λαλοῦντος χριστοῦ, ὃς εἰς ὑμᾶς οὐκ ἀσθενεῖ, ἀλλὰ δυνατεῖ ἐν ὑμῖν·
since you are demanding proof that Christ is speaking through me. He is not weak in dealing with you but is powerful among you.