Build a better mousetrap and the world will beat a path to your door.

A cat may look at a king.

Business before pleasure.

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

The best is the enemy of the good.

Discretion is the better part of valour.

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

Many a true word is spoken in jest.

Keep your chin up.

Don't kill the goose that lays the golden eggs.

Time is money.

Like father, like son.

Stupid is as stupid does.

An ounce of prevention is worth a pound of cure.

An empty vessel makes much noise.

Live for today, for tomorrow never comes.

Money doesn't grow on trees.

You can't judge a book by its cover.

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

Marriages are made in heaven.

The bigger they are, the harder they fall.

There's no fool like an old fool.

Adversity makes strange bedfellows.

For everything there is a season.

Tell the truth and shame the Devil.

Too many cooks spoil the broth.

First impressions are the most lasting.

More haste, less speed.

No one can make you feel inferior without your consent.

When one door shuts, another opens.

One half of the world does not know how the other half lives.

Bad money drives out good.

Lightning never strikes twice in the same place.

A little knowledge is a dangerous thing.

Never speak ill of the dead.

Go the extra mile.

Don't throw good money after bad.

Never tell tales out of school.

Imitation is the sincerest form of flattery.

Horses for courses.

First things first.

You can have too much of a good thing.

One swallow does not a summer make.

Charity begins at home.

What the eye doesn't see, the heart doesn't want.

He that goes a-borrowing, goes a-sorrowing.

Opposites attract.

A volunteer is worth twenty pressed men.

Paddle your own canoe.

One might as well be hanged for a sheep as a lamb.

Get out while the getting is good.

Barking dogs seldom bite.

Be careful what you wish for. You might just get it.

The bread always falls buttered side down.

It's better to be poor and healthy, than sick and wealthy.

Don't count your chickens before they hatch.

As you sow, so you shall reap.

Good things come in small packages.

Forewarned is forearmed.

Robbing Peter to pay Paul.

Oil and water don't mix.

Don't meet troubles half-way.

Nothing is certain but death and taxes.

The enemy of my enemy is my friend.

Walls have ears.

Make hay while the sun shines.

Share and share alike.

Don't wash your dirty linen in public.

Practice what you preach.

Easy come, easy go.

Don't blow your own trumpet.

There is no accounting for tastes.

Seize the day.

Any port in a storm.

Those who sleep with dogs will rise with fleas.

Live and let live.

It ain't over, till it's over.

Fight the good fight.

Enough is as good as a feast.

Give the Devil his due.

It's easy to be wise after the event.

Blessed are the peacemakers.

If ifs and ands were pots and pans there'd be no work for tinkers.

There's no time like the present.

A good man is hard to find.

Don't put the cart before the horse.

Fire is a good servant but a bad master.

Never go to bed on an argument.

A house divided against itself cannot stand.

Cheats never prosper.

If at first you don't succeed try, try and try again.

A penny saved is a penny earned.

Let bygones be bygones.

Money is the root of all evil.

Revenge is sweet.

It's better to give than to receive.

The age of miracles is past.

You reap what you sow.

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

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