My great concern is not whether you have failed, but whether you are content with your failure. Abraham Lincoln
I can accept failure, everyone fails at something. But I can't accept not trying. Michael Jordan
It is impossible to live without failing at something, unless you live so cautiously that you might has well not have lived at all, in which case you have failed by default. J. K. Rowling
I don't believe in failure. It is not failure if you enjoyed the process. Oprah Winfrey
Do not be embarrassed by your failures, learn from them and start again. Richard Branson
Failure happens all the time. It happens every day in practice. What makes you better is how you react to it. Mia Hamm
Success isn't permanent and failure isn't fatal. Mike Ditka
Success represents the 1% of your work which results from the 99% that is called failure. Soichiro Honda
It is not a disgrace to fail. Failing is one of the greatest arts in the world. Charles Kettering
Never walk away from failure. On the contrary, study it carefully and imaginatively for its hidden assets. Michael Korda
Success consists of going from failure to failure without loss of enthusiasm. Winston Churchill
In order to succeed, your desire for success should be greater than your fear of failure. Bill Cosby
Failure is unimportant. It takes courage to make a fool of yourself. Charlie Chaplin
Far better is it to dare mighty things, to win glorious triumphs, even though checkered by failure... than to rank with those poor spirits who neither enjoy nor suffer much, because they live in a gray twilight that knows not victory nor defeat. Theodore Roosevelt
Failure is a great teacher, and I think when you make mistakes and you recover from them and you treat them as valuable learning experiences, then you've got something to share. Steve Harvey
And I saved my favorite for last...
You must accept that you might fail; then, if you do your best and still don't win, at least you can be satisfied that you've tried. If you don't accept failure as a possibility, you don't set high goals, you don't branch out, you don't try - you don't take the risk. Rosalynn Carter