translation.en: Every one of you knows that the rate of change slows over the human lifespan, that your children seem to change by the minute but your parents seem to change by the year.
translation.zh: 你们每个人都知道变化的速度 随着人的年龄增长不断放慢， 孩子们好像每分钟都有变化， 而父母们的变化则要慢得多。