2 Corinthians 13:6
But I trust that ye shall know that we are not reprobates.
2 Corinthians 12:20
For I fear, lest, when I come, I shall not find you such as I would, and that I shall be found unto you such as ye would not: lest there be debates, envyings, wraths, strifes, backbitings, whisperings, swellings, tumults:
2 Corinthians 13:3-4
Since ye seek a proof of Christ speaking in me, which to you-ward is not weak, but is mighty in you.
2 Corinthians 13:10
Therefore I write these things being absent, lest being present I should use sharpness, according to the power which the Lord hath given me to edification, and not to destruction.