Things do not happen. Things are made to happen.
What you do today can improve all your tomorrows.
Expect problems and eat them for breakfast.
Quality is not an act, it is a habit.
Well done is better than well said.
Be kind whenever possible. It is always possible.
To know oneself, one should assert oneself.
It's always too early to quit.
Never complain and never explain.
Know or listen to those who know.
I'm never less at leisure than when at leisure, or less alone than when alone.