I was taught that to create anything you had to believe in failure simply because you had to be prepared to go through an idea without any fear. Failure you learned as I did in art school to be a wonderful thing. It allowed you to get up in the morning and take the pillow off your head.
Nothing truly convincing - which would possess thoroughness vigor and skill - has been written against the ancients as yet especially not against their poetry.
Accept business only at a price permitting thoroughness. Then do a thorough job regardless of cost to us.