It's not necessary to fear the prospect of failure but to be determined not to fail.
FAILURE, IT'S NOT NECESSARY TO FEAR THE PROSPECT OF FAILURE
If you're not failing every now and again, it's a sign you're not doing anything very innovative.
Success represents the 1% of your work which results from the 99% that is called failure.
My great concern is not whether you have failed, but whether you are content with your failure.