Know or listen to those who know.
If you think you can do it, you can.
Things do not happen. Things are made to happen.
It's always too early to quit.
You never know what motivates you.
Be gentle to all and stern with yourself.
To be a good loser is to learn how to win.
What you do today can improve all your tomorrows.
Be kind whenever possible. It is always possible.
Never complain and never explain.
My reputation is too important to put it aside for purposes of some friendship. We have a job to do.