2 Corinthians 4:2

but we have renounced the hidden things of shame, not walking in craftiness, nor handling the word of God deceitfully; but by the manifestation of the truth commending ourselves to every man's conscience in the sight of God. [This verse contrasts the true Christian ministry with that false form of it employed by Paul's enemies. They, preaching from selfish motives, had sought to undermine Paul's influence by calumny, by crafty perversions of his statements, and by adulterating the gospel with obsolete Judaism. Paul, on the contrary, had practiced nothing which shame would prompt him to hide, had used no crooked or partisan arts, had taught nothing in private which he did not teach in public; and had, by his open, candid frankness in presenting the truth, commended himself to every variety of conscience, behaving himself as in the sight of God.]