When angry, count four; when very angry, swear.

-- Mark Twain

Nothing gives a person so much advantage over another as to remain always cool and unruffled under all circumstances.

-- Thomas Jefferson

You can't always control the wind, but you can control your sails.

-- Anthony Robbins

Speak when you are angry and you will make the best speech you will ever regret.

-- Ambrose Bierce

No one can make you jealous, angry, vengeful, or greedy - unless you let him.

-- Napoleon Hill

You cannot prevent the birds of sorrow from flying over your head, but you can prevent them from building nests in your hair.

-- Chinese Proverb

The control center of your life is your attitude.

-- Anonymous

Opportunity may knock only once, but temptation leans on the doorbell.

-- Unknown

It is a man's own mind, not his enemy or foe, that lures him to evil ways

-- Buddha

The cyclone derives its powers from a calm center.  So does a person.

-- Norman Vincent Peale