2 Corinthians 4:2
I disown disgraceful, underhanded ways. I refuse to practice cunning or to tamper with God's message. It is by the open statement of the truth that I would commend myself to every human conscience in the sight of God.
2 Corinthians 11:3
But I am afraid that just as the serpent by his cunning deceived Eve, your thoughts will be led astray from their single-hearted fidelity to Christ.
2 Corinthians 11:13-15
Such men are sham apostles, dishonest workmen, masquerading as apostles of Christ.
2 Corinthians 12:16-18
But granting that I did not burden you myself, I was clever about it, you say, and took you in by a trick.
1 Thessalonians 2:3
For our appeal does not rest on a delusion, nor spring from any impure motive; there is no fraud about it.