2 Corinthians 11:5

For I reckon that I am not a whit behind the very chiefest apostles.

2 Corinthians 12:11-12

I am become foolish: ye compelled me; for I ought to have been commended of you: for in nothing was I behind the very chiefest apostles, though I am nothing.

1 Corinthians 15:10

But by the grace of God I am what I am: and his grace which was bestowed upon me was not found vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me.

Galatians 2:6-9

But from those who were reputed to be somewhat (whatsoever they were, it maketh no matter to me: God accepteth not man's person)-- they, I say, who were of repute imparted nothing to me:

Treasury of Scripture Knowledge

Summary

For I suppose I was not a whit behind the very chiefest apostles.

General references

Bible References

I was not

2 Corinthians 12:11
I am become foolish: ye compelled me; for I ought to have been commended of you: for in nothing was I behind the very chiefest apostles, though I am nothing.
1 Corinthians 15:10
But by the grace of God I am what I am: and his grace which was bestowed upon me was not found vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me.
Galatians 2:6
But from those who were reputed to be somewhat (whatsoever they were, it maketh no matter to me: God accepteth not man's person)-- they, I say, who were of repute imparted nothing to me:

General references

Job 13:2
What ye know, the same do I know also: I am not inferior unto you.

American Standard Version Public Domain