2 Chronicles 10:7
"And they spake unto him, saying, If thou be kind to this people, and please them, and speak good words to them, they will be thy servants for ever."
Cross References (ranked by relevance)
Proverbs 15:1
A soft answer turneth away wrath: but grievous words stir up anger.
Genesis 49:21
Naphtali is a hind let loose: he giveth goodly words.
1 Kings 12:7
And they spake unto him, saying, If thou wilt be a servant unto this people this day, and wilt serve them, and answer them, and speak good words to them, then they will be thy servants for ever.