2 Corinthians 12:12

The signs that mark a true apostle were most patiently shown when I was among you, in signs, wonders, and marvels.

John 4:48

Jesus said to him, "Unless you see signs and marvels you will never believe!"

Romans 15:18-19

For I will venture to speak only of what Christ has accomplished through me in winning the heathen to obedience, by word and action,

1 Corinthians 1:5-7

For you have grown rich in everything through union with him??n power of expression and in capacity for knowledge.

1 Corinthians 9:1-2

Am I not free? Am I not an apostle? Have I not seen Jesus our Lord? Are you not the product of my work in the Lord's service?

1 Corinthians 14:18

Thank God, I speak in ecstasy more than any of you.

2 Corinthians 4:2

I disown disgraceful, underhanded ways. I refuse to practice cunning or to tamper with God's message. It is by the open statement of the truth that I would commend myself to every human conscience in the sight of God.

2 Corinthians 6:4-10

On the contrary, as a servant of God I try in every way to commend myself to them, through my great endurance in troubles, difficulties, hardships,

2 Corinthians 11:4

For when somebody comes along and preaches another Jesus than the one I preached, or you receive a different spirit from the one you received or a different gospel from the one you accepted, you put up with it well enough!

2 Corinthians 11:6

Even if I have no particular gifts in speaking, I am not wanting in knowledge. Why, I have always made that perfectly clear in my dealings with you.

Treasury of Scripture Knowledge

Summary

Truly the signs of an apostle were wrought among you in all patience, in signs, and wonders, and mighty deeds.

Bible References

General references

2 Corinthians 4:2
I disown disgraceful, underhanded ways. I refuse to practice cunning or to tamper with God's message. It is by the open statement of the truth that I would commend myself to every human conscience in the sight of God.
2 Corinthians 6:4
On the contrary, as a servant of God I try in every way to commend myself to them, through my great endurance in troubles, difficulties, hardships,
2 Corinthians 11:4
For when somebody comes along and preaches another Jesus than the one I preached, or you receive a different spirit from the one you received or a different gospel from the one you accepted, you put up with it well enough!
Romans 15:18
For I will venture to speak only of what Christ has accomplished through me in winning the heathen to obedience, by word and action,
1 Corinthians 1:5
For you have grown rich in everything through union with him??n power of expression and in capacity for knowledge.
1 Corinthians 9:2
If I am not an apostle to other people, I certainly am one to you, for you yourselves, in your relation to the Lord, are the certificate of my apostleship.
1 Corinthians 14:18
Thank God, I speak in ecstasy more than any of you.