When it rains, it pours.

Some suggestions for you :

It is height makes Grantham steeple stand awry.

Hope is grief's best music.

Garbage in, garbage out.

Close only counts in horseshoes and hand-grenades.

Finders keepers, losers weepers.

It is sin to steal a pin.

Poison is poison though it comes in a golden cup.

Where old age is evil, youth can learn no good.

The ant had wings to her hurt.

Think before you speak.

Things are not always what they seem.

If mama ain't happy, ain't nobody happy.

There is not the thickness of a sixpence between good and evil.

Don't dig your grave with your own knife and fork.