Knowing when to keep your mouth shut is invariably more important than opening it at the right time.
Anticipating is more fun than recollecting.
When the joy of the job's gone, when it's no fun trying anymore, quit before you're fired.
Thinkers perish, thoughts don't.
Venture nothing, and life is less than it should be.
The best buy by way of management is brains-at any price.