2 Corinthians 11:28-29 niv
28 Besides everything else, I face daily the pressure of my concern for all the churches.
29 Who is weak, and I do not feel weak? Who is led into sin, and I do not inwardly burn?
2 Corinthians 13:5 niv
Examine yourselves to see whether you are in the faith; test yourselves. Do you not realize that Christ Jesus is in you—unless, of course, you fail the test?
Thanks for the third verse.
But let a man examine himself, and so let him eat of that bread, and drink of that cup. For he that eateth and drinketh unworthily, eateth and drinketh damnation to himself, not discerning the Lord's body*.(That is, one not born of the spirit should not be participating in this Memorial Rite, for it will bring a remonstrance from God the Father for it.)
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* figuratively, the context this refers to the body of believers, the local church assembly, not His physical body in the plain-literal sense that some misinterpret it to be
This is consistent with MacArthur's meditation theme, carrying the devotional sense forward.