Do not let your ambitions become a sanctuary for your failures.

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

It's fine to celebrate success but it is more important to heed the lessons of failure.

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

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

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

We have forty million reasons for failure, but not a single excuse.

Success is not final, failure is not fatal: it is the courage to continue that counts.

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

I don't believe in failure. It is not failure if you enjoyed the process.