The more evidence we collect that ourspecies is capable of greatness, the more we will actually achieve it.
我们收集的证据越多，证明我们这个物种有能力变得伟大，我们就越有可能实现它。
2
Humans, as we know, have always lived in groups; without this arrangement, ourspecies would have died out long ago.
我们知道，人类一直是群居的；如果没有这种安排，我们的物种很早之前就灭绝了。
3
Ourspecies originated around 200,000 years ago, and underwent tremendous diversification, culturally, technologically, linguistically, artistically, for 130,000 years.