Romans 7:14
We know that the Law is spiritual, but I am physical, sold into slavery to sin.
Matthew 12:34-35
You brood of snakes! how can you, bad as you are, utter anything good? For the mouth says only what the heart is full of.
Romans 7:12
So the Law itself is holy, and each command is holy, just, and good.
Ephesians 4:29
No bad word must ever pass your lips, but only words that are good and suited to improve the occasion, so that they will be a blessing to those who hear them.
Colossians 4:6
Always put your message attractively, and yet pointedly, and be prepared to give every inquirer a fitting answer.