"A little knowledge is a dangerous thing." (my personal favourites are in BLUE!)

A bird in the hand is worth two in the bush.

A fool and his money are easily parted.

A friend in need is a friend indeed.

A leopard cannot change his spots.

A little knowledge is a dangerous thing.

A miss is as good as a mile.

A new broom sweeps clean.

A poor craftsman always blames his tools.

A rose is a rose by any other name.

A rolling stone gathers no moss.

A stitch in time saves nine.

Absence makes the heart grow fonder.

Actions speak louder than words.

All for one and one for all.

All that glitters is not gold.

All work and no play makes Jack a dull boy.

All's well that ends well.

An apple a day keeps the doctor away.

Beauty is in the eye of the beholder.

Better to have loved and lost than never to have loved at all.

Better the devil you know than the devil you don't.

Better late than never.

Better safe than sorry.

Birds of a feather flock together.

Charity begins at home.

Don't put off till tomorrow what you can do today.

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

Don't count your chickens until they're hatched.

Don't put all your eggs in one basket.

Empty vessels make the most noise.

Every cloud has a silver lining.

Familiarity breeds contempt.

Fools rush in where angels fear to tread.

Fools seldom differ.

Great minds think alike.

He who dares wins.

He who laughs last laughs longest.

He who hesitates is lost.

Honesty is the best policy.

Horses for courses.

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

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

It's an ill wind that blows NOBODY any good.

It's no use crying over spilt milk.

Laughter is the best medicine.

Let sleeping dogs lie.

Like father like son.

Look before you leap.

Love makes the world go round.

Make hay while the sun shines.

Many hands make light work.

Marry in haste repent at leisure.

Money is the root of all evil.

Money doesn't grow on trees.

Necessity is the mother of invention.

No news is good news.

Once a thief always a thief.

Once bitten twice shy.

One man's meat is another man's poison.

One swallow doesn't make a summer.

Out of the frying pan into the fire.

People who live in glass houses shouldn't throw stones.

Prevention is better than cure.

Revenge is sweet.

Rome wasn't built in a day.

Still waters run deep.

Strike while the iron's hot.

The early bird catches the worm.

The grass is always greener on the other side.

The heart has reasons which reason does not know.

The more the merrier.

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

There's no fool like an old fool.

'Tis better to have loved and lost than never to have loved at all.

Too many cooks spoil the broth.

Two wrongs don't make a right.

Waste not, want not.

What goes around, comes around.

When in Rome do as the Romans do.

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

While the cat's away the mice will play.

You can't teach an old dog new tricks.

You can't make a silk purse out of a sow's ear.

You can't have your cake and eat it.

You can lead a horse to water but you cannot make him drink.

You don't miss the water till the well runs dry.