2 Corinthians 4:2
Nay, we have renounced the secrecy which marks a feeling of shame. We practice no cunning tricks, nor do we adulterate God's Message. But by a full clear statement of the truth we strive to commend ourselves in the presence of God to every human conscience.
2 Corinthians 11:3
But I am afraid that, as the serpent in his craftiness deceived Eve, so your minds may be led astray from their single-heartedness and their fidelity to Christ.
2 Corinthians 11:13-15
For men of this stamp are sham apostles, dishonest workmen, assuming the garb of Apostles of Christ.
2 Corinthians 12:16-18
If I love you so intensely, am I the less to be loved? Be that as it may: I was not a burden to you. But being by no means scrupulous, I entrapped you, they say!
1 Thessalonians 2:3
For our preaching was not grounded on a delusion, nor prompted by mingled motives, nor was there fraud in it.