The greatest glory in living lies not in never falling, but in rising every time we fall. 

-Nelson Mandela

You will face many defeats in life, but never let yourself be defeated. 

-Maya Angelou

If life were predictable it would cease to be life, and be without flavor. 

-Eleanor Roosevelt

The real test is not whether you avoid this failure, because you won't. It's whether you let it harden or shame you into inaction, or whether you learn from it; whether you choose to persevere. 

-Barack Obama

If you look at what you have in life, you'll always have more. If you look at what you don't have in life, you'll never have enough. 

-Oprah Winfrey

 "Success is not final; failure is not fatal: It is the courage to continue that counts." 

-Winston S. Churchill