translation.en: Because our acquisition of social learning would create a social and evolutionary dilemma, the resolution of which, it's fair to say, would determine not only the future course of our psychology, but the future course of the entire world.
translation.zh: 因为社会学习能力的获得 会令社会和进化陷入一个进退两难的地步 其解决方法 不但决定了未来人类心理的轨迹 也决定了整个世界的未来走向