John Wesley on 2 Corinthians 2:17

For we are not as many, who adulterate the word of God - Like those vintners (so the Greek word implies) who mix their wines with baser liquors. But as of sincerity - Without any mixture. But as from God - This rises higher still; transmitting his pure word, not our own. In the sight of God - Whom we regard as always present, and noting every word of our tongue. Speak we - The tongue is ours, but the power is God's. In Christ - Words which he gives, approves, and blesses.