It's alchemical. It creates new knowledge, and dispels superstition. It sharpens how you think. It sharpens how you talk. And obviously, it sharpens how you write.
The freshmen comp students I've taught over the years were amazed (or, more honestly, incredulous) when I told them this, because for them, writing was a totally pointless exercise. Well, *almost* totally pointless. Writing had one point: to get a passing grade so that the student could advance to other subjects.
12/