Sweet wine yields sour vinegar. [ German Proverb ]

He cries wine and sells vinegar. [ Proverb ]

Beware of the vinegar of sweet wine. [ Italian Proverb ]

Take heed of the vinegar of sweet wine. [ English Proverb, collected by George Herbert ]

Vinegar given is better than honey bought. [ Arab. Proverb ]

The sweetest wine makes the sharpest vinegar. [ Proverb ]

You drink vinegar when you have wine at your elbow. [ Proverb ]

A drop of honey catches more flies than a hogshead of vinegar. [ Proverb ]

More flies are taken with a drop of honey than a tun of vinegar. [ Proverb ]

Wine and the sun will make vinegar without any shouting to help them. [ George Eliot ]

You will catch more flies with a spoonful of honey than with a cask of vinegar. [ Eastern Proverb ]

Your tongues and your words are steeped in honey, but your hearts in gall and vinegar. [ Plaut ]

As the best wine makes the sharpest vinegar, so the deepest love turns to the deadliest hatred. [ Proverb ]