How to remember an idea

‘An idea lasts only seven seconds - you have to be quick to write it down.’

A good friend of mine dropped that into a conversation recently, and it rattled the cage of my inner skeptic. I dunno, maybe it was because of the similarity to the myth about goldfish? You know, the one where they only have a three second memory? I guess, at least our memory myths outperform those of a goldfish.

This is a companion discussion topic for the original entry at