2 Corinthians 13:6
But I trust that you will recognize that we are not insincere.
2 Corinthians 12:20
For I am afraid that perhaps when I come I may not find you to be what I desire, and that you may find me to be what you do not desire; that perhaps there may be contention, jealousy, bitter feeling, party spirit, ill-natured talk, backbiting, undue eulogy, unrest;
2 Corinthians 13:3-4
since you want a practical proof of the fact that Christ speaks by my lips--He who is not feeble towards you, but powerful among you.
2 Corinthians 13:10
For this reason I write thus while absent, that when present I may not have to act severely in the exercise of the authority which the Lord has given me for building up, and not for pulling down.