Walls have ears. Be careful. People could be listening
Waste not, want not. If you never waste anything, you will have it when you need it
When the cat’s away, the mice play. People misbehave when their boss, or the person in authority
is absent
When in Rome, do as the Romans do. You should adopt the customs of the people or country you are
visiting, and behave in the same way
Wonders will never cease! Expresses surprise at an unexpected pleasure or event ,ironic