Be gentle to all and stern with yourself.
Be kind whenever possible. It is always possible.
You never know what motivates you.
To know oneself, one should assert oneself.
Expect problems and eat them for breakfast.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
Wherever you are - be all there.
Things do not happen. Things are made to happen.
Never complain and never explain.
A leader must have the courage to act against an expert's advice.