Never complain and never explain.
Quality is not an act, it is a habit.
If you're going through hell, keep going.
The most effective way to do it, is to do it.
Expect problems and eat them for breakfast.
Know or listen to those who know.
To be a good loser is to learn how to win.
You never know what motivates you.
Things do not happen. Things are made to happen.
Leap, and the net will appear.
The art of medicine was to be properly learned only from its practice and its exercise.