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

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

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

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

Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.

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

Failure is the condiment that gives success its flavor.

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

You can't be afraid of failure and you can't be afraid of success, because either one gets in the way of your work.

Failure is not fatal, but failure to change might be.