When I started carrying a notebook around, I noticed that I seemed to have more ideas. In actuality, I think that I had ideas pretty regularly without the note

When I started carrying a notebook around, I noticed that I seemed to have more ideas. In actuality, I think that I had ideas pretty regularly without the notebook, but I foolishly tell myself, "ah, that's good, I'll have to remember that." Ten minutes later, I've forgotten the idea. An hour later, I've forgotten that I've forgotten an idea...