If you think you can do it, you can.
Things do not happen. Things are made to happen.
Well done is better than well said.
Either you run the day or the day runs you.
The wise does at once what the fool does at last.
Be gentle to all and stern with yourself.
Quality is not an act, it is a habit.
It's always too early to quit.
Be kind whenever possible. It is always possible.
Know or listen to those who know.
Failure and things of this sort - you can take it one of two ways. You can either let that hurt you and really affect the way that you live your life in the future, or you can use that as an opportunity for growth.