1. Speak in such a way that you make others want to listen.
“The tongue of the wise makes knowledge acceptable, but the mouth of fools spouts folly.” Proverbs 15:2
2. Learn to become persuasive.
“The heart of the wise teaches his mouth and adds persuasiveness to his lips.” Proverbs 16:23
3. Listen before speaking.
“He that answers a matter before he hears it, it is folly and shame unto him.” Proverbs 18:13
4. Be slow to speak, and guard your words carefully.
“Do you see a man who is hasty in his words? There is more hope for a fool than for him.” Proverbs 29:20
5. Stop while you’re ahead.
“When there are many words, transgression is unavoidable, but he who restrains his lips is wise.” Proverbs 10:19
6. Tell the truth.
“He that hides hatred with lying lips, and he that utters a slander, is a fool.” Proverbs 10:18
Taken from John Maxwell, Maximum Impact monthly leadership training.