Change before you have to.
Jack Welch 

Choose the life that is most useful, and habit will make it the most agreeable.
Francis Bacon 

Count your age with friends but not with years.
Anonymous 

Dew knot trussed yore spell chequer two fined awl yore mistakes.
Brendan Hills 

Don't anthropomorphize computers -- they hate it.
Anonymous 

Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.
William Faulkner 

Don't ever take a fence down until you know why it was put up.
Robert Frost (1874-1963) 

Don't look back - something might be gaining on you.
Satchel Paige 

Don't stay in bed....unless you can make money in bed.
George Burns 

Don't trust anyone over 30 who used to say "Don't trust anyone over 30."
Anonymous