If writing down your ideas always makes them more precise and more complete, then no one who hasn't written about a topic has fully formed ideas about it. And someone who never writes has no fully formed ideas about anything nontrivial.

Putting ideas into words doesn't have to mean writing, of course. You can also do it the old way, by talking. But in my experience, writing is the stricter test. You have to commit to a single, optimal sequence of words. Less can go unsaid when you don't have tone of voice to carry meaning. And you can focus in a way that would seem excessive in co... See more

“Writing is the process by which you realize that you do not understand what you are talking about. Of course, you can learn a lot about something without writing about it. However, writing about something complicated and hard to pin down acts as a test to see how well you understand it. When we approach our work as a stranger, we often discover ho... See more