I have a notebook; sometimes it gets a to-do list so i can forget about things I have to do, sometimes it's a design sketchbook, and sometimes is for doing a bi

I have a notebook; sometimes it gets a to-do list so i can forget about things I have to do, sometimes it's a design sketchbook, and sometimes is for doing a bit of math. That some rich or smart people have/had Todo lists sounds like survivorship bias