2 Corinthians 10:8-12

For if I boast somewhat more about our authority, which the Lord gave for building you up and not for destroying you, I will not be put to shame,

for I do not want to seem as if I would terrify you by my letters.

For they say, “His letters are weighty and strong, but his personal presence is unimpressive and his speech contemptible.”

Have such a person consider this, that what we are in word by letters when absent, such persons we are also in deed when present.

For we do not presume to rank or compare ourselves with some of those who commend themselves; but when they measure themselves by themselves and compare themselves with themselves, they have no understanding.