I’ve mentioned Copyblogger.com before; it’s full of worthwhile stuff. Here’s a little gem.
The Power of Analogy

An elderly man stormed into his doctor’s office steaming mad.
“Doc, my new 22-year-old wife is expecting a baby. You performed my vasectomy 30 years ago, and I’m very upset right now.”
“Let me tell you a story,” the doctor calmly replied.
“A hunter once accidentally left the house with an umbrella instead of his rifle. Out of nowhere, a bear surprised him in the woods… so the hunter grabbed the umbrella, fired, and killed the bear.”
“Impossible, ” the old man said. “Someone else must have shot that bear.”
“You got it,” the doctor replied.
About the Author: Brian Clark is founder of Copyblogger and co-founder of DIY Themes, creator of the innovative Thesis Theme for WordPress. Get more from Brian on Twitter.
