Worrying never did anyone any good.
Feed a cold and starve a fever.
All good things must come to an end.
Big fleas have little fleas upon their back to bite 'em Link to proverb.
Build a better mousetrap and the world will beat a path to your doorLink to proverb.
Don't let the cat out of the bag Link to proverb.
Hear all, see all, say nowt, tak' all, keep all, gie nowt, and if tha ever does owt for nowt do it for thysen.