"one is never too old to learn",which is a doctrine for us to follow throughout our life有没有更好的词代替doctrine

One is never too old to learn 一般是it is never too old to learn还是one is never too old to learn?RT. too much is never nothing is never too late. One is never too old to learn我的英语不大好!呵呵＞o＜ one is never too old to learn 一个英语新闻急!关于一个报道 one is never ____old _____learn 1.too,to 2.enough,to 3.so,as 4.as,as one fatality is one fatality too many It is never too soon to start,never too late to learnnever too soon 和never too late. it is never too late to It is never too old to learn. when is never too late to learn One can never be too careful什么意思 歌词she is only one one one.never go die one is never too old to learn,which is a doctrine for us to follow throughout our life有没有更好的词代替doctrine This one is too small.That one is small_well. This one is too small.That one is small___well. NO ONE IS TOO OLD TO LEARN.