<--- This one is freshly lifted from Andy Bell's FB page...
 
The 50-50-90 rule: Anytime you have a 50% chance of getting something right, there is a 90% probability that you'll get it wrong...
 
Great works are performed, not by strength, but by perseverance. He that shall walk, with vigor, three hours a day will pass, in seven years, a space equal to the circumference of the globe.  Samuel Johnson - ‘Rasselas, Prince of Abyssinia’
 
In the light of all the Cybercrime that is going on, it's time to review your private security settings.
I recently changed my PIN. It's the last 4 digits of ­Π (Pi)