1. Do not let in doubt, pessimism, and paranoia.
2. Do not let in fear and hate.
3. Make a daily habit of doing something creative.
4. When a negative thought enters your head, immediately replace it with something positive about yourself. Immediately!
5. Create a mental picture of yourself succeeding. Visualize your success every day. Dream about it when you sleep.
6. Remember, self-confidence is voice activated....Speak-Up!
Source: Dr. Mark L Brenner