It is not your aptitude, but your attitude, that determines your altitude.
When your image improves, your performance improves.
Don't give up just because of what someone said. Use it as motivation to push harder.
Children pay more attention to what you do than to what you say.
You already have every characteristic necessary for success if you recognize, claim, develop and use them
If you want to catch the right mental attitude, go where that attitude exists. Start by going to the people who have the right mental attitude. If the right people aren't always available, then go the right book, or to the right recording of a dynamic speaker.