You must accept that you might fail then if you do your best and still don't win at least you can be satisfied that you've tried. If you don't accept failure as a possibility you don't set high goals you don't branch out you don't try - you don't take the risk.
The level of detail and craft is something that's inscribed within the original design concept. And so when I begin to draw I know what kind of detailing I want the building to have.