Almost everyone - regardless of income, available time, age, and skills -
can do something useful for others and, in the process, strengthen the fabric of our shared humanity (quote from Clinton foundation)

2 other quotes from Bill Clinton :

If President Reagan could be an actor and become president,
maybe I could become an actor.
I've got a good pension. I can work for cheap.

I may not have been the greatest president, but I've had the most fun eight years