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? – 2 Corinthians 13:5

Explanation of this verse:

Examine yourselves whether ye be in the faith,…. These words are to be considered in connection with 2 Corinthians 13:3 for seeing they sought and demanded a proof the voice and power of Christ in the apostle, he directs them to self examination, to look within themselves, to try, prove, and recognise their own souls; where if things were right, they would find a proof of Christ’s speaking in him, to them: he advises them to examine the state of their own souls, and see whether they were in the faith; either in the doctrine of faith, having a spiritual and experimental knowledge of it, true love and affection for it, an hearty belief…