Keep a notebook. Travel with it, eat with it, sleep with it. Slap into it every stray thought that flutters up in your brain. Cheap paper is less perishable than gray matter, and lead pencil markings endure longer than memory. — Jack London
A pocket notebook. They sort of seem like a quaint idea from a past era in this age of smart phones and iPads. BUT there are benefits to handwriting some things. Man of Attack hits on some of the highlights in this post about being a pocket notebook kind of guy. Style isn’t just about fashion, ya know.
As a bonus, here is a video on how to improve your cursive handwriting. (Yes, that’s still a thing too.)