Expect problems and eat them for breakfast.
Only the educated are free.
The wise does at once what the fool does at last.
Who seeks shall find.
Know or listen to those who know.
To be a good loser is to learn how to win.
Always desire to learn something useful.
Never complain and never explain.
I can, therefore I am.
Be kind whenever possible. It is always possible.
If you go on stage with the wrong attitude, or something in your performance is off, you can lose an audience in the first minute. That first minute is crucial.