2 Corinthians 10:10
For they say "His letters are authoritative and forcible, but his personal presence is unimpressive, and as for eloquence, he has none."
1 Corinthians 1:17
Christ did not send me to baptize, but to proclaim the Good News; and not in merely wise words--lest the Cross of Christ should be deprived of its power.
2 Corinthians 11:6
And if in the matter of speech I am no orator, yet in knowledge I am not deficient. Nay, we have in every way made that fully evident to you.
Galatians 4:13-14
And you know that in those early days it was on account of bodily infirmity that I proclaimed the Good News to you,
1 Corinthians 1:21
For after the world by its wisdom--as God in His wisdom had ordained--had failed to gain the knowledge of God, God was pleased, by the apparent foolishness of the Message which we preach, to save those who accepted it.
1 Corinthians 2:1-4
And as for myself, brethren, when I came to you, it was not with surpassing power of eloquence or earthly wisdom that I came, announcing to you that which God had commanded me to bear witness to.
2 Corinthians 10:1
But as for me Paul, I entreat you by the gentleness and self-forgetfulness of Christ--I who when among you have not an imposing personal presence, but when absent am fearlessly outspoken in dealing with you.
2 Corinthians 12:5-9
Of such a one I will boast; but of myself I will not boast, except in my weaknesses.