2 Corinthians 10:7

You look at me and measure me by outward appearances. If anyone is confident in himself that he belongs to Christ, let him have another thought about himself, that just as he belongs to Christ, so do I.

2 Corinthians 11:5

For I consider myself not a single bit inferior to those surpassingly superior apostles of yours!

2 Corinthians 11:21-30

I am ashamed to say that I was, as it were, so weak in the matter. And yet in whatever respect anyone else is daring to boast -- I am talking like a fool -- I too will dare to boast.

Treasury of Scripture Knowledge

Summary

What knowest thou, that we know not? what understandest thou, which is not in us?

Bible References

Knowest

2 Corinthians 10:7
You look at me and measure me by outward appearances. If anyone is confident in himself that he belongs to Christ, let him have another thought about himself, that just as he belongs to Christ, so do I.
2 Corinthians 11:5
For I consider myself not a single bit inferior to those surpassingly superior apostles of yours!