Do not fear mistakes
Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.
Failure is the condiment that gives success its flavor.
FAILURE, FAILURE IS THE CONDIMENT
The great question is not whether you have failed, but whether you are content with failure.
There's no such thing as failure - just waiting for success.
FAILURE, JUST WAITING FOR SUCCESS
Failure is simply a few errors in judgment, repeated every day.
FAILURE, FEW ERRORS IN JUDGEMENT
Success represents the 1% of your work which results from the 99% that is called failure.
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