When the cat is out the mouse can dance.
More Irish Proverbs:
The hand goes only where the leg goes.Irish
A quarrel is like buttermilk: once it's out of the churn, the more you shake it, the more sour it grows.
Irish
The proverb cannot be bettered.
Irish
A good laugh and a long sleep are the two best cures in the doctor's book.
Irish
The person who doesn't scatter the morning dew will not comb gray hairs
Irish
There is no virtue in the herb that is not got in time.
Irish