translation.en: As the child grows to become an adult: so far, it has been a consumer, but the growth of a human being lies in his or her capacity to contribute, to be a contributor.
translation.zh: 有一天孩子终于长大成人了。 在这此前他一直是名消费者。 但一个人的成长 最终取决于他们贡献能力的大小， 也就是说成为一个贡献者。