Fair words never hurt the tongue. George Chapman
The belly has no ears nor is it to be filled with fair words. François Rabelais
When Pack meets with Pack in the Jungle, and neither will go from the trail, Lie down till the leaders have spoken-it may be fair words shall prevail. Rudyard Kipling
Under fair words beware of fraud. Portuguese Proverb
One who speaks fair words feeds you with an empty spoon. Italian Proverb
Fair words don't fill the pocket. German Proverb