translation.en: Diversity is not a bad thing, because even though we think of humans as very diverse, we came so close to extinction that all of us descend from a single African mother and the consequence of that is there's more genetic diversity in 55 African chimpanzees than there are in seven billion humans.
translation.zh: 多样性是好的， 尽管我们认为 人类多样性已经很丰富了， 但是因为我们来自 同一位非洲母亲的基因， 我们也有灭绝的危险。 而且它的后果是， 55只非洲黑猩猩的基因的多样性 都比70亿人类丰富得多。