Work expands so as to fill the time available.

Don't spoil the ship for a ha'porth of tar.

Never give a sucker an even break.

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

Don't look a gift horse in the mouth.

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

Never speak ill of the dead.

One law for the rich and another law for the poor.

The Devil is in the details.

When one door shuts, another opens.

Haste makes waste.

Old soldiers never die, they simply fade away.

It's better to travel hopefully than to arrive.

You can't always get what you want.

Out of sight, out of mind.

God helps those who help themselves.

Put your best foot forward.

The best things in life are free.

There are plenty more fish in the sea.

Ashes to ashes; dust to dust.

Lightning never strikes twice in the same place.

He who fights and runs away, lives to fight another day.

Big fish eat little fish.

Great minds think alike.

First come, first served.

An ounce of prevention is worth a pound of cure.

All that glitters is not gold.

No pain, no gain.

Beware of Greeks bearing gifts.

A little of what you fancy does you good.

You are never too old to learn.

The whole is greater than the sum of the parts.

Once bitten, twice shy.

Forewarned is forearmed.

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

It's always darkest just before the dawn.

The show must go on.

Moderation in all things.

Honesty is the best policy.

A person is known by the company they keep.

One hand washes the other.

Time flies.

Wonders will never cease.

He who hesitates is lost.

You can't make bricks without straw.

You win some, you lose some.

It takes all sorts to make a world.

Little strokes fell great oaks.

Don't burn your bridges behind you.

Cut your coat to suit your cloth.

Children should be seen and not heard.

Seeing is believing.

To travel hopefully is a better thing than to arrive.

Put your shoulder to the wheel.

Hide in plain sight.

Laugh and the world laughs with you, weep and you weep alone.

There's many a slip 'twixt cup and lip.

Everyone has their price.

Let the buyer beware.

Absence makes the heart grow fonder.

Genius is an infinite capacity for taking pains.

You can't teach an old dog new tricks.

While there is life, there is hope.

Don't get mad, get even.

Paddle your own canoe.

Even a worm will turn.

See no evil, hear no evil, speak no evil.

Revenge is a dish best served cold.

Physician, heal thyself.

Time is a great healer.

People in glass houses shouldn't throw stones.

Don't upset the apple-cart.

Many a true word is spoken in jest.

You can't fit a round peg in a square hole.

It's the empty can that makes the most noise.

Good talk saves the food.

Cheats never prosper.

Never tell tales out of school.

Truth will out.

Time and tide wait for no one.

Share and share alike.

Fortune favours the brave.

Count your blessings.

It's all grist to the mill.

Those who can, do. Those who can't, teach.

Get out while the getting is good.

Clothes do not make the man.

When in Rome, do as Romans do.

There is no accounting for tastes.

What goes around comes around.

It takes a thief to catch a thief .

Why keep a dog and bark yourself?

Rain before seven, fine before eleven.

Youth is wasted on the young.

A good beginning makes a good ending.

You can have too much of a good thing.

You catch more flies with honey than with vinegar.

All good things must come to an end.

Speak as you find.

Silence construes consent.