Note-taking is a practice of recording the essence of acquired information from different sources. A skill anyone can develop - students, readers, writers, lover of knowledge, teachers and curious people. 

The Main Purpose of taking notes:

-        Freeing your mind from having to recall everything

-        Implant the material in the mind

-        Engaged Learning 

-        Comprehend the material.

Checkout my Beginner's Guide video for Note-Taking techniques.        

Note-taking has been an important part of human history and scientific development. 

Foucault comment concerning Seneca's discipline of self-knowledge:

"In this period there was a culture of what could be called personal writing: taking notes on the reading, conversations, and reflections that one hears or engages in oneself; keeping notebooks on important subjects, which must be reread from time to time so as to actualize their contents"