It's impossible to translate this exactly, you'll never fully appreciate the piece.
这篇文章不可能准确翻译,所以你也许永远不可能好地阅读它。
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力,