As so often, the past holds the key to the future: we have now identified enough of the long-term patterns shaping the history of the planet, and our species, to make evidence-based forecasts about the situations in which our descendants will find themselves.(Text 3. 2013. 英一)

正如许多时候，过去掌握着通向未来的钥匙：目前，我们已经识别出了足够多的 塑造地球和人类历史的 长期模式，使我们能够有根据地猜测子孙后代的生存环境。