King James Version (KJV) - 2 Corinthians 13:3 >

Since ye seek a proof of Christ speaking in me, which to you-ward is not weak, but is mighty in you.

Berean Study Bible (BSB) - 2 Corinthians 13:3 >

since you are demanding proof that Christ is speaking through me. He is not weak in dealing with you, but is powerful among you.