One is never too old to learn.

人没有老得不能学的时候。

youdao

One is never too old to learn.

人有老的时候，没有老得不能学的时候。

youdao

But this does not matter, for, as he often remarked, one is never too old to learn.

但是这不要紧，因为，正如他一向所说的那样，一个人要活到老学到老。

youdao