I, like a lot of other people, like to focus on the "big picture". But, one must never forget that the "big picture" is made up of several "small pictures". If the quality of the "small pictures" are blurred, so too will be the quality of the "big picture". Attention is to detail is what sets apart the final results.
I am sharing this with my readers. I hope that the author(s) will not have a problem with me sharing this very useful information without prior permission. It can help save lives .