10 Powerful Self Confidence Quotes to Boost Confidence Now!

1. Mindset: I can, I will (anon.) 

2. Inhale confidence, exhale doubt! (anon.) 

3. Confidence is not "they will like me". Confidence is "I'll be fine if they don't!"
(extramadness.com) 

4. It's not what you are that is holding you back. It's what you think you are not! (anon.) 

5. You can admire someone else's beauty without questioning your own.

6. It's a good day to have a good day! (FoodMatters) 

7. I nourish my mind, body and soul with my thoughts.

8. You can be a good person with a kind heart and still say no. (tinybuddha.com) 

9. A flower does not think to compete with the flower next to it. It just blooms. (anon.) 

10. Be yourself. No one can say you're doing it wrong! (Charles M Schulz) 

Also check yoganess.net for more info.