Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.

Success represents the 1% of your work which results from the 99% that is called failure.

Failure is the condiment that gives success its flavor.

Failure happens all the time. It happens every day in practice. What makes you better is how you react to it.

We climb to heaven most often on the ruins of our cherished plans, finding our failures were successes.

My great concern is not whether you have failed, but whether you are content with your failure.

The great question is not whether you have failed, but whether you are content with failure.

Don't be afraid of missing opportunities. Behind every failure is an opportunity somebody wishes they had missed.

We may be personally defeated, but our principles never!

Even when you have doubts, take that step. Take chances. Mistakes are never a failure - they can be turned into wisdom.