It is a very good habit to make notes of what you read. Newton, Einstein, R.L. Stevenson, Charles Darwin, and other great people prepared notes for their studies. The advantages of making notes are
This is a condensed form of the matter studied and can be used to read, understand and revise.
Notes are an expression of the matter studied, in one’s own words.
With the help of notes one can easily remember the main ideas and important details.
It is processed, cooked form of the whole material ready for digestion. Therefore, do not miss making notes of what you hear or read.