100%
Purity is overrated. Through the ages, society has prized the absolutes: the whitest of white steeds, the perfect purebred dog, the matching set of dishes, or the untainted noble lineage. We aim for the flawless lawn, as evidenced by the number of dandelion killers on the market. Superlatives and homogeneity are the ideals. This narrow scope, the concentration of acceptable qualities, means perfection, and society always clings to the purity of what is "ours". It is an ancient prejudice, this preference for "us" and mistrust of the "other". Anything less than 100% makes people uneasy. Even here in the United States, home to immigrants from all over the world, there are still groups that squabble over the validity of a lineage, branding only those who came over at the start, and on the right boats, the truest of Americans. BUT Nature loves diversity. Variety and adaptation are the rules. They are the keys to survival and progress. Even the most bor...