2 Corinthians 12:12

The signs of a true apostle were performed among you with all perseverance, by signs and wonders and miracles.

John 4:48

So Jesus said to him, "Unless you people see signs and wonders, you simply will not believe."

Romans 15:18-19

For I will not presume to speak of anything except what Christ has accomplished through me, resulting in the obedience of the Gentiles by word and deed,

1 Corinthians 1:5-7

that in everything you were enriched in Him, in all speech and all 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 my work in the Lord?

1 Corinthians 14:18

I thank God, I speak in tongues more than you all;

2 Corinthians 4:2

but we have renounced the things hidden because of shame, not walking in craftiness or adulterating the word of God, but by the manifestation of truth commending ourselves to every man's conscience in the sight of God.

2 Corinthians 6:4-10

but in everything commending ourselves as servants of God, in much endurance, in afflictions, in hardships, in distresses,

2 Corinthians 11:4

For if one comes and preaches another Jesus whom we have not preached, or you receive a different spirit which you have not received, or a different gospel which you have not accepted, you bear this beautifully.

2 Corinthians 11:6

But even if I am unskilled in speech, yet I am not so in knowledge; in fact, in every way we have made this evident to you in all things.

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
but we have renounced the things hidden because of shame, not walking in craftiness or adulterating the word of God, but by the manifestation of truth commending ourselves to every man's conscience in the sight of God.
2 Corinthians 6:4
but in everything commending ourselves as servants of God, in much endurance, in afflictions, in hardships, in distresses,
2 Corinthians 11:4
For if one comes and preaches another Jesus whom we have not preached, or you receive a different spirit which you have not received, or a different gospel which you have not accepted, you bear this beautifully.
Romans 15:18
For I will not presume to speak of anything except what Christ has accomplished through me, resulting in the obedience of the Gentiles by word and deed,
1 Corinthians 1:5
that in everything you were enriched in Him, in all speech and all knowledge,
1 Corinthians 9:2
If to others I am not an apostle, at least I am to you; for you are the seal of my apostleship in the Lord.
1 Corinthians 14:18
I thank God, I speak in tongues more than you all;