I knew we wouldn't talk about it again; even at that age, I was given to understand that there were some subjects it didn't do to worry to death about.
我知道我们不会再谈这件事了；即使在那个年龄，我被迫理解了有些事情是不必担心到死的。
2
Do not throw away what can be used again: even an old calendar becomes new again every 28 years.
可以用的东西不要轻易丢弃：即使是旧日历，时隔28年也能再次使用。
3
Then again, even that is a worthy lesson for him to learn now.