Once you can accept failure, you can have fun and success.

If you're not failing every now and again, it's a sign you're not doing anything very innovative.

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

Failure is nature's plan to prepare you for great responsibilities.

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

The only real failure in life is not to be true to the best one knows.

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

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

Success needs no explanation. Failure does not have one that matters.

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