You can't unscramble a scrambled egg.

Less said, soon mended.

You can lead a horse to water, but you can't make it drink.

People in glass houses shouldn't throw stones.

Make hay while the sun shines.

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

A volunteer is worth twenty pressed men.

There are two sides to every question.

If you build it, they will come.

Beat swords into ploughshares.

Paddle your own canoe.

If you play with fire, you will get burnt.

Practice what you preach.

Beware the Ides of March.

Like father, like son.

Discretion is the better part of valour.

Slow and steady wins the race.

You can't make bricks without straw.

A leopard can't change its spots.

Nothing new under the sun.

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

The enemy of my enemy is my friend.

Better to remain silent and be thought a fool, than to speak and remove all doubt.

Don't rock the boat.

Practice makes perfect.

When the going gets tough, the tough get going.

Don't burn your bridges behind you.

Genius is an infinite capacity for taking pains.

Tell the truth and shame the Devil.

Don't upset the apple-cart.

A cat may look at a king.

When one door shuts, another opens.

Cheaters never win and winners never cheat.

Enough is enough.

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

There but for the grace of God, go I.

Youth is wasted on the young.

There's a time and a place for everything.

A man who is his own lawyer has a fool for his client.

Even a worm will turn.

Ask no questions and hear no lies.

Hope springs eternal.

Those who do not learn from history, are doomed to repeat it.

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

One hand washes the other.

Worrying never did anyone any good.

You can't win them all.

Old soldiers never die, they simply fade away.

Into every life a little rain must fall.

You can't teach an old dog new tricks.

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

Spare the rod and spoil the child.

It takes one to know one.

Appearances can be deceptive.

The age of miracles is past.

Bad money drives out good.

Failing to plan, is planning to fail.

Needs must when the devil drives.

A little knowledge is a dangerous thing.

Look before you leap.

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

There's no fool like an old fool.

Every stick has two ends.

Genius is one percent inspiration, ninety-nine percent perspiration.

Every man for himself, and the Devil take the hindmost.

Power corrupts; absolute power corrupts absolutely.

Jam tomorrow and jam yesterday, but never jam today.

God helps those who help themselves.

Moderation in all things.

Easy come, easy go.

Beggars can't be choosers.

There's no such thing as bad publicity.

Where there is smoke there is fire.

It's an ill wind that blows no one any good.

Still waters run deep.

Good talk saves the food.

Necessity is the mother of all invention.

Procrastination is the thief of time.

You are never too old to learn.

No rest for the wicked.

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

Hope for the best, prepare for the worst.

A dog is a man's best friend.

Seek and you shall find.

Let the punishment fit the crime.

Take care of the pennies and the pounds will take care of themselves.

Learn to walk before you run.

Empty bags cannot stand upright.

The bigger, the better.

A good beginning makes a good ending.

Don't let the cat out of the bag.

Faith will move mountains.

The leopard does not change his spots.

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

Eat, drink, and be merry, for tomorrow we die.

You can have too much of a good thing.

The whole is greater than the sum of the parts.

Little strokes fell great oaks.

A problem shared is a problem halved.

A house divided against itself cannot stand.