Avoid being overly dramatic when mistakes do happen. A typo isn't the end of the world. Just because a task took a little longer than initially estimated isn't the worst thing possible. The tale of the Norden Bombsight would be an example where while someone had a good idea and good intentions in making a new device, there can be various other things that happen to reduce the effectiveness of the new thing created. Definitely a cautionary tale as he hopes to get the spaghetti sauce talk behind him from Feb. 2004.