The practice of writing down one’s thoughts and notes to help make sense of the world has a long legacy. For centuries, artists and intellectuals from Leonardo da Vinci to Virginia Woolf, from John Locke to Octavia Butler, have recorded the ideas they found most interesting in a book they carried around with them, known as a “commonplace book.”

Writing notes accompanies the main work and, done right, it helps with it. Writing is, without dispute, the best facilitator for thinking, reading, learning, understanding and generating ideas we have. Notes build up while you think, read, understand and generate ideas, because you have to have a pen in your hand if you want to think, read,

the commonplace book was more than a diary or journal of personal reflections. It was a learning tool that the educated class used to understand a rapidly changing world and their place in it. In The Case for Books,5 historian