2 Corinthians 12:12
Truly the signs of an apostle were accomplished among you in all patience, in signs, and wonders, and mighty deeds.
John 4:48
Until you see signs and wonders you will not believe, Jesus said.
Romans 15:18-19
I will not dare to speak of any of those things that Christ has not accomplished through me. I will lead the nations to obey God in word and deed.
1 Corinthians 1:5-7
He enriches you in every way, in all speaking, and in all knowledge.
1 Corinthians 9:1-2
Am I not an apostle? Am I not free? Have I not seen Jesus Christ our Lord? Are you not my work in the Lord?
1 Corinthians 14:18
I thank God that I speak with tongues more then all of you.
2 Corinthians 4:2
We have renounced the hidden things of shame. And we do not walk in craftiness and deceit. We do not adulterate the word of God. But by the manifestation of the truth we commend ourselves to every man's conscience in the sight of God.
2 Corinthians 6:4-10
In everything we commend ourselves, as ministers of God, in much patience, in afflictions, in necessities, in distresses,
2 Corinthians 11:4
If someone comes and preaches another Jesus, whom we did not preach, or if you receive a different spirit, which you did not receive, or a different good news, which you did not accept, you do well to put up with him.
2 Corinthians 11:6
Though I am unskilled in speech, yet I am not in knowledge. We have in every way made this evident to you in all things.