The amount of protein that you need is not simple a number of grams per day as there are a variety of amino acids that you must consume in your diet. (thomasdelauer.com)
We're having a symbolic battle, its outcome decided by simple numbers. (goodreads.com)
As I said before but some people don't want to get it and move beyond simple numbers, it also depends a lot on what type of growth. (realclimate.org)