Some men learn by their years, others simply live through them.

I was never much good at learning things by heart myself.

In terms of language development, children will start to learn and know about 5-20 different words by 18 months old.

He's a boy who has learned a lot of stuff by himself.

Four eyes see better than two, as I have learned by experience and study.

He started to study the language and learn it by himself.

The poor, it seems, would be expected to learn by experience.

Because she's learned everything she wants to learn by herself.

But this was something I had to learn by myself.

I learned it by heart for want of anything else to do.