Work hard. "Suit yourself, then you'll know at least one person is pleased.
Barefoot Girl Out of Ohio: A Memoir of Survival and OvercomingThe secret to wealth is hard work and good management.
All You Have Is Now: How Your Approach to the World Determines Your DestinyIf you care about what you do and work hard at it, there isn't anything you can't do if you want to.
It's Not Easy Being Green: And Other Things to ConsiderYour time is your time. Be awake to it. It's hard work to be wisely alive.
The Legacy Letters: His Wife, His Children, His Final GiftPutting off an easy thing makes it hard, and putting off a hard one makes it impossible.
Letters from a Self-Made Merchant to His Son