“Let sleeping dogs lie” is the proverb of wise restraint — leave a settled problem alone rather than stir up fresh trouble. Here is what it means, its origin going back to Chaucer, how to use it, and a few sayings that share its caution.
What Does “Let Sleeping Dogs Lie” Mean?
The proverb means you should avoid interfering with a situation that is currently calm, because raising it again could cause unnecessary trouble. An old argument, a forgotten mistake, a touchy subject — like a sleeping dog, it is harmless while left undisturbed, but poke at it and you may get bitten. The saying advises letting dormant problems rest rather than reopening conflicts that no longer trouble anyone.
Origin of the Proverb
The image rests on a simple truth: a dog woken suddenly may snap. Geoffrey Chaucer put the idea into English verse around 1380 in Troilus and Criseyde — “It is nought good a slepyng hound to wake” — and an even older French saying, “do not wake the sleeping dog,” predates him in the early fourteenth century. The exact modern wording, “let sleeping dogs lie,” became common in the nineteenth century. Across all those centuries the advice has stayed the same: some things are best left undisturbed.
Examples in a Sentence
- “They’ve finally stopped arguing about the will — let sleeping dogs lie.”
- “I thought about reopening the complaint, but decided to let sleeping dogs lie.”
- “Don’t bring up the old feud at dinner; let sleeping dogs lie.”
Similar Proverbs
- If it ain’t broke, don’t fix it — leave well alone when things already work.
- Leave well enough alone — don’t disturb a satisfactory situation.
- Don’t rock the boat — avoid upsetting a stable arrangement.
- Don’t go looking for trouble — don’t stir up problems that are resting quietly.
For more sensible, cautionary sayings, see our smart thoughts and the full library of proverbs and their meanings.
Frequently Asked Questions
What does “let sleeping dogs lie” mean?
It means you should leave a calm or settled situation alone, rather than stirring up an old problem and causing fresh trouble.
Where does the proverb come from?
Geoffrey Chaucer wrote “it is not good a sleeping hound to wake” around 1380, echoing an older French saying. The modern wording became common in the nineteenth century.
What is a similar proverb?
“If it ain’t broke, don’t fix it” and “leave well enough alone” share the same wisdom of not disturbing something that is causing no trouble.