Different languages cut the world into different slices.

Kids will use their own system at the stage that they are, they're not (learning merely by) imitating you.

We have this enormous connection to the living world that is reflected in our language...

Literacy, written language is a very late acquisition in terms of human evolution.

Human beings are able to reflect on their existencefor now that distinguishes us from other creatures.

Different languages cut the world into different slices.

Language develops by interacting with other people talking to you.