老年并不有趣，直到你真正到达那个年纪。
Old age is not interesting until one gets there.
鸟快要死的时候，叫声是悲切的，人快要死的时候，说话是善良的。
The only thing I can say is that I try to be humble all the time.
The goal of mathematics is to understand the structures that underlie the phenomena we observe.
在商业中，如果你不前进，你就在落后。
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.