Walls have ears.

To err is human; to forgive divine.

Why keep a dog and bark yourself?

Don't bite off more than you can chew.

You can't run with the hare, and hunt with the hounds.

One who sups with the devil, should have a long spoon.

Two wrongs don't make a right.

Handsome is as handsome does.

Parsley seed goes nine times to the Devil.

Each to their own.

Shrouds have no pockets.

Don't put the cart before the horse.

Cowards die many times before their deaths.

Opportunity never knocks twice at any man's door.

Manners maketh the man.

No man can serve two masters.

An ounce of prevention is worth a pound of cure.

Give them an inch and they'll take a mile.

Penny wise and pound foolish.

The Devil looks after his own.

All good things must come to an end.

Beware of Greeks bearing gifts.

Don't upset the apple-cart.

Red sky at night shepherd's delight; red sky in the morning, shepherd's warning.

Birds of a feather flock together.

Opposites attract.

Learn to walk before you run.

One person's trash is another person's treasure.

Children and fools tell the truth.

Forewarned is forearmed.

A ship in the harbour is safe, but that is not what a ship is for.

Never speak ill of the dead.

Pride comes before a fall.

Too many cooks spoil the broth.

There's an exception to every rule.

Slow but sure.

All roads lead to Rome.

Fight the good fight.

Man does not live by bread alone.

All's fair in love and war.

If it ain't broke, don't fix it.

God helps those who help themselves.

Speak as you find.

Count your blessings.

The leopard does not change his spots.

Big fish eat little fish.

A bad penny always turns up.

Out of the frying pan, into the fire.

The course of true love never did run smooth.

Don't put all your eggs in one basket.