Sometimes the cost of fixing bad work is actually greater than just doing it right when your mind is capable of it. Also, I don't think software development is

Sometimes the cost of fixing bad work is actually greater than just doing it right when your mind is capable of it. Also, I don't think software development is very comparable to writing a book. Unless you need to finish a book every day, your mistakes one day can easily be fixed the next. In software, if your bad work on a project is committed to a place where it affects others, it may very well be too destructive to be worth it.