2 Corinthians 10:5 Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;
2 Corinthians 10:1 - 18
ESV - 1 I, Paul, myself entreat you, by the meekness and gentleness of Christ - I who am humble when face to face with you, but bold toward you when I am away! - 2 I beg of you that when I am present I may not have to show boldness with such confidence as I count on showing against some who suspect us of walking according to the flesh.
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.