I think that failure by your own standards is certainly a form of success.
FAILURE, CERTAINLY A FORM OF SUCCESS
There is no loneliness greater than the loneliness of a failure. The failure is a stranger in his own house.
FAILURE, LONELINESS OF A FAILURE
The great question is not whether you have failed, but whether you are content with failure.
Failure is simply a few errors in judgment, repeated every day.
FAILURE, FEW ERRORS IN JUDGEMENT
Don't be afraid of missing opportunities. Behind every failure is an opportunity somebody wishes they had missed.