You should never stop the plough to kill a mouse.
More Irish Proverbs:
Many a defect is seen in the poor man.Irish
A Tyrone woman will never buy a rabbit without a head for fear it's a cat.
Irish
A little of anything isn't worth a pin; but a wee bit of sense is worth a lot.
Irish
You're not as young as you used to be, but you're not as old as you're going to be.
Irish
Women in state affairs are like monkeys in glass-houses.
Irish
Everyone is wise until he speaks.
Irish