translation.en: And I have come to find that a more appropriate metaphor for aging is a staircase -- the upward ascension of the human spirit, bringing us into wisdom, wholeness and authenticity.
translation.zh: 我发现了一个更加 适合年老的比喻 就是楼梯－ 人类精神的升华， 引领我们走向智慧、完整 和真实。