它的含义令人吃惊--最近的两万年间，人们无意中影响着他们自己的进化。 这个力量就是人类文化，广义地定义为任何习得的行为，包括科技。
The force is human culture, broadly defined as any learned behavior, including technology.
越是了解人类心理学，我们就越了解无意识过程的力量，无论是情感无意识还是感知无意识。
The more we find out about human psychology, the more we discover about the power of unconscious processes, both emotional and cognitive.
人类在自己的历史上第一次拥有了和人类不幸作战的强大技术力量，可是却把它们浪费在毫无意义的追求上。
For the first time in his history, man has the overwhelming resources to combat human suffering, yet he squanders them on meaningless pursuits.
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