We often learn new things without using language. Indeed, children learn their culture first, then the language. 10-1b5 We enter the world of language-based learning once we have mastered a language, but learning starts way before language acquisition. 10-1b4 Children concentrically embody their ever-widening knowledge structures by testing the degree of its correspondence in comparison with other members of the society

In other words, language can’t exhaust culture. 2-1a4 ‘Language instinct’ - Language can’t exhaust mind. And understanding language comprehensively means understanding its culture, because 10-1b8 All languages will show culture-language connections if we look for it

When you paraphrase something in your own words, you are essentially forcing yourself to incorporate that something into your own worldview. This is probably why taking notes in your own words does wonder, compared to merely copy and pasting the sentences. 1-1a2e4a 言い換え = Making sense in your own world, that is, in your own language and in your own web of ideas