If you ask my team what 90% right is, they know to answer "wrong!". In our work, the details are actually pretty big. The problem this causes an entrepreneur is that there are potentially infinite details to consider.
Attention to detail in the technical work is easy to get in the habit of and set standards for. After all, when you are done, it's there to look at. Things get trickier when you start considering creating customer experience, establishing stewardships for you people, creating a brand, and manifesting a social change. The magnifying glass that made you the the great studier-of/wrathful-god-of the anthill gives you a very distorted view of your dog. The elephant is incomprehensible through it.
Altitude is clearly the answer. Backing up, zooming out, getting the Google Earth view, that is clearly paramount to orientating ourselves to lead. But we know broad strokes alone will never do. Some areas clearly need to be cut in with the smallest brush and detailed. Challenge is, we have about 17 waking hours today (tops), families that need us, bills to pay, and obligations to meet. We can't possibly do it all.
The answer is simple and brutal. The only thing to do is to blueprint the day and then stick to the plan. This means there are many things we will have to say "no" to if we are to say "yes" to things that are truly more important. The three options you have are:
1.)Take the time to make a list of all the things that could possibly be done, grouping them ala David Allen's GTD, and then have the discipline to stick to our commitments of working in uninterrupted blocks of time to knock it out.
2.) Lower your standard and quit caring
3.) Go insane.
Now, go. (not insane - choose #1 for goodness' sake)