The past is a teacher, if we are willing to learn.
过去是一位老师,如果我们愿意学习的话。
没有什么比迪尔跑得更快。
当安全与生产发生冲突时,安全永远是赢家。
数学的美在于它如此简单却又如此强大。
The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.