2 Corinthians 10:7

Do ye look at things according to the outward appearance? If any one is confident in himself that he is Christ's, let him consider this again of himself, that as he is Christ's, so we also are Christ's.

2 Corinthians 11:5

For I think I was not inferior to the very chiefest apostles: and if I am unskilled in speech,

2 Corinthians 11:21-30

I speak of their reproaches, as if we were weak: but whereinsoever any one may be confident (though I speak foolishly) I may be confident too.

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
Do ye look at things according to the outward appearance? If any one is confident in himself that he is Christ's, let him consider this again of himself, that as he is Christ's, so we also are Christ's.
2 Corinthians 11:5
For I think I was not inferior to the very chiefest apostles: and if I am unskilled in speech,