If you train hard, you'll not only be hard, you'll be hard to beat
There is no coming to consciousness without pain.
Experience is a hard teacher because she gives the test first, the lesson afterward.
-Vernon Law, Pitcher for the Pirates
However beautiful the strategy, you should occasionally look at the results.
It’s a little like wrestling a gorilla. You don’t quit when you're tired--you quit when the gorilla is tired.
Success is how high you bounce when you hit bottom.
-General George Patton