2 Corinthians 11:6

But though I be rude in speech, yet not in knowledge; but we have been throughly made manifest among you in all things.

1 Corinthians 1:17

For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of none effect.

Ephesians 3:4

Whereby, when ye read, ye may understand my knowledge in the mystery of Christ)

2 Corinthians 4:2

But have renounced the hidden things of dishonesty, not walking in craftiness, nor handling the word of God deceitfully; but by manifestation of the truth commending ourselves to every man's conscience in the sight of God.

2 Corinthians 5:11

Knowing therefore the terror of the Lord, we persuade men; but we are made manifest unto God; and I trust also are made manifest in your consciences.

2 Corinthians 12:12

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

1 Corinthians 1:21

For after that in the wisdom of God the world by wisdom knew not God, it pleased God by the foolishness of preaching to save them that believe.

1 Corinthians 2:1-3

And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.

1 Corinthians 2:13

Which things also we speak, not in the words which man's wisdom teacheth, but which the Holy Ghost teacheth; comparing spiritual things with spiritual.

2 Corinthians 7:2

Receive us; we have wronged no man, we have corrupted no man, we have defrauded no man.

2 Corinthians 10:10

For his letters, say they, are weighty and powerful; but his bodily presence is weak, and his speech contemptible.

2 Peter 3:15-16

And account that the longsuffering of our Lord is salvation; even as our beloved brother Paul also according to the wisdom given unto him hath written unto you;

Treasury of Scripture Knowledge

Summary

But though I be rude in speech, yet not in knowledge; but we have been throughly made manifest among you in all things.

General references

Bible References

Rude

2 Corinthians 10:10
For his letters, say they, are weighty and powerful; but his bodily presence is weak, and his speech contemptible.
1 Corinthians 1:17
For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of none effect.
1 Corinthians 2:1
And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.

But we

2 Corinthians 4:2
But have renounced the hidden things of dishonesty, not walking in craftiness, nor handling the word of God deceitfully; but by manifestation of the truth commending ourselves to every man's conscience in the sight of God.
2 Corinthians 5:11
Knowing therefore the terror of the Lord, we persuade men; but we are made manifest unto God; and I trust also are made manifest in your consciences.
2 Corinthians 7:2
Receive us; we have wronged no man, we have corrupted no man, we have defrauded no man.
2 Corinthians 12:12
Truly the signs of an apostle were wrought among you in all patience, in signs, and wonders, and mighty deeds.

General references

2 Corinthians 12:12
Truly the signs of an apostle were wrought among you in all patience, in signs, and wonders, and mighty deeds.

King James Version Public Domain