Which saying is closest in meaning to "let sleeping dogs lie"?

Which compound word is an old American term for a woman's handbag? Ireland's famous hospital lottery, tied to horse race results and held until 1987, was called the Irish Hospitals' what? In Lewis Carroll's 1871 sequel, Alice reaches a fantasy world by passing through what object, an old name for a mirror? Which word means a long search, like the knights' search for the Holy Grail? In "LDS Church," the common abbreviation for the Mormon church, what do the letters "LDS" stand for? What is another name for the Ten Commandments? In the nursery rhyme, which character is found fast asleep under a haystack instead of tending the sheep? Which Massachusetts town, site of a 1775 Revolutionary War battle, has a name that means a peace agreement or harmony?