Chewing Proverbs

Do not roast baobab kernels and leave those who have teeth chewing. (Swahili Proverb)
Never slap a man who's chewing tobacco. View proverb
Texan Proverb
Careless rat chewing on a cat's tail: beware lightning!. View proverb
Chinese Proverb
It's not healthy to swallow books without chewing. View proverb
German Proverb