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

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.

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

There is no loneliness greater than the loneliness of a failure. The failure is a stranger in his own house.

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

Failure is not our only punishment for laziness there is also the success of others.

Outward failure may be a manifested variant of inward success.

It's not necessary to fear the prospect of failure but to be determined not to fail.

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