Conspiracy or cock-up?

"Never attribute to malice that which can be adequately explained by stupidity."

- Anon

Don't waste your time

"Never argue with an idiot. They drag you down to their level and beat you with experience."

- Unknown

A universal truth - not just for doctors

"Prescription BEFORE diagnosis is Malpractice"

- Tony Allessandra

Well, what do you know?

"It ain't the things we know that cause all the trouble in the world - it's the things we think we know that ain't so."

- Will Rogers

Along similar lines

"It ain't so much the things we don't know that get us into trouble. It's the things you know that just ain't so."

- Artemus Ward

Effective marketing

He who whispers down a well
About the goods he has to sell
Will never make as many dollars
As he who climbs a tree and hollers.

- HRH Edward of Wales (1935)