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

I think success has no rules, but you can learn a great deal from failure.

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

The season of failure is the best time for sowing the seeds of success.

It is not a disgrace to fail. Failing is one of the greatest arts in the world.

The most important of my discoveries have been suggested to me by my failures.

It's how you deal with failure that determines how you achieve success.

There's no such thing as failure - just waiting for success.

Failure is unimportant. It takes courage to make a fool of yourself.

Failure is more frequently from want of energy than want of capital.