"When you make a mistake, don't look back at it long. Take the reason of the thing into your mind and then look forward. Mistakes are lessons of wisdom. The past cannot be changed the future is yet in your power." -Hugh White
"Learn from yesterday, Live for today, Hope for tomorrow." -Anonymous
"Never be bullied into silence. Never allow yourself to be made a victim. Accept no one's definition of your life, define yourself." -Harvey Fierstein
"Live as if you were to die tomorrow. Learn as if you were to live forever." -Mahatma Gandhi
"If you don't like something, change it. If you can't change it, change your attitude. Don't complain." -Maya Angelou
"I don't know the key to success, but the key to failure is to try to please everyone." -Bill Cosby
A great site for quotes.