2 Corinthians 11:6

and even if unlearned in word -- yet not in knowledge, but in every thing we were made manifest in all things to you.

1 Corinthians 1:17

For Christ did not send me to baptize, but -- to proclaim good news; not in wisdom of discourse, that the cross of the Christ may not be made of none effect;

Ephesians 3:4

in regard to which ye are able, reading it, to understand my knowledge in the secret of the Christ,

2 Corinthians 4:2

but did renounce for ourselves the hidden things of shame, not walking in craftiness, nor deceitfully using the word of God, but by the manifestation of the truth recommending ourselves unto every conscience of men, before God;

2 Corinthians 5:11

having known, therefore, the fear of the Lord, we persuade men, and to God we are manifested, and I hope also in your consciences to have been manifested;

2 Corinthians 12:12

The signs, indeed, of the apostle were wrought among you in all patience, in signs, and wonders, and mighty deeds,

1 Corinthians 1:21

for, seeing in the wisdom of God the world through the wisdom knew not God, it did please God through the foolishness of the preaching to save those believing.

1 Corinthians 2:1-3

And I, having come unto you, brethren, came -- not in superiority of discourse or wisdom -- declaring to you the testimony of God,

1 Corinthians 2:13

which things also we speak, not in words taught by human wisdom, but in those taught by the Holy Spirit, with spiritual things spiritual things comparing,

2 Corinthians 7:2

receive us; no one did we wrong; no one did we waste; no one did we defraud;

2 Corinthians 10:10

because the letters indeed -- saith one -- are weighty and strong, and the bodily presence weak, and the speech despicable.'

2 Peter 3:15-16

and the long-suffering of our Lord count ye salvation, according as also our beloved brother Paul -- according to the wisdom given to him -- did write to 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
because the letters indeed -- saith one -- are weighty and strong, and the bodily presence weak, and the speech despicable.'
1 Corinthians 1:17
For Christ did not send me to baptize, but -- to proclaim good news; not in wisdom of discourse, that the cross of the Christ may not be made of none effect;
1 Corinthians 2:1
And I, having come unto you, brethren, came -- not in superiority of discourse or wisdom -- declaring to you the testimony of God,

But we

2 Corinthians 4:2
but did renounce for ourselves the hidden things of shame, not walking in craftiness, nor deceitfully using the word of God, but by the manifestation of the truth recommending ourselves unto every conscience of men, before God;
2 Corinthians 5:11
having known, therefore, the fear of the Lord, we persuade men, and to God we are manifested, and I hope also in your consciences to have been manifested;
2 Corinthians 7:2
receive us; no one did we wrong; no one did we waste; no one did we defraud;
2 Corinthians 12:12
The signs, indeed, of the apostle were wrought among you in all patience, in signs, and wonders, and mighty deeds,

General references

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