Doubt is the beginning, not the end, of wisdom.

When the cat's away the mice will play.

You are never too old to learn.

Give credit where credit is due.

Familiarity breeds contempt.

You can't get blood out of a stone.

Never give a sucker an even break.

Fine words butter no parsnips.

A thing of beauty is a joy forever.

You can't see the forest for the trees.

Faith will move mountains.

If you can't stand the heat get out of the kitchen.

Out of the frying pan, into the fire.

The customer is always right.

Hope springs eternal.

Don't put the cart before the horse.

Big fleas have little fleas upon their back to bite 'em.

It never rains but it pours.

Never tell tales out of school.

If a job is worth doing, it's worth doing well.

Learn to walk before you run.

Pearls of wisdom.

Where there's a will, there's a way.

Marriages are made in heaven.

Rain before seven, fine before eleven.

Don't bite off more than you can chew.

Shrouds have no pockets.

There are none so blind as those, that will not see.

Possession is nine points of the law.

Good talk saves the food.

When in Rome, do as Romans do.

Accidents will happen.

As you sow, so you shall reap.

Charity covers a multitude of sins.

An eye for an eye; a tooth for a tooth.

Don't cut off your nose to spite your face.

Nothing new under the sun.

Beggars can't be choosers.

Necessity is the mother of all invention.

When the going gets tough, the tough get going.

Oil and water don't mix.

Don't look a gift horse in the mouth.

Birds of a feather flock together.

If you lie down with dogs, you will get up with fleas.

Barking dogs seldom bite.

Absence makes the heart grow fonder.

If life gives you lemons, make lemonade.

It's no use crying over spilt milk.

Give a man a fish, feed him for a day. Teach a man to fish, feed him for a lifetime.

Penny wise and pound foolish.

The pen is mightier than sword.

Fools rush in where angels fear to tread.

Let the punishment fit the crime.

In for a penny, in for a pound.

Time flies.

A cat has nine lives.

A golden key can open any door.

To every thing there is a season.

Revenge is sweet.

First impressions are the most lasting.

Don't get mad, get even.

Fair exchange is no robbery.

Everyone has their price.

Make haste slowly.

Talk of the Devil, and he is bound to appear.

It's no use shutting the stable door after the horse has bolted.

You can't take it with you.

Honesty is the best policy.

Good things come to those who wait.

Once a thief, always a thief.

It takes two to make a quarrel.

The best-laid plans go astray.

While the cat's away, the mice will play.

There's a time and a place for everything.

The whole is greater than the sum of the parts.

A place for everything and everything in its place.

Revenge is a dish best served cold.

One hand washes the other.

A leopard can't change its spots.

Silence is golden.

The exception which proves the rule.

You can't unscramble a scrambled egg.

Don't let the cat out of the bag.

Don't meet troubles half-way.

Attack is the best form of defence.

Go the extra mile.

The more the merrier.

Slow and steady wins the race.

Don't cross a bridge until you come to it.

Manners maketh the man.

Each to their own.

Physician, heal thyself.

You are what you eat.

What can't be cured must be endured.

Flattery will get you nowhere.

Bad money drives out good.

That which does not kill us makes us stronger.

Hope for the best, prepare for the worst.

Blood is thicker than water.

Don't sweat the small stuff.