Never complain and never explain.
Quality is not an act, it is a habit.
Expect problems and eat them for breakfast.
To be a good loser is to learn how to win.
Leap, and the net will appear.
What you do today can improve all your tomorrows.
Well done is better than well said.
Either you run the day or the day runs you.
The secret of getting ahead is getting started.
To know oneself, one should assert oneself.
The role of the teacher is to create the conditions for invention rather than provide ready-made knowledge.