Joel Gascoigne, writing about writing on his blog:
What I?ve realized is that there is no better time to write than when the thought first enters your mind. I should only write it at another time if I simply can?t open my laptop and write it all the way through right at that moment. The content is freshest when it first appears in my mind, and in that state I write the best posts.
I couldn't agree with Joel on this point more, and need to turn it into my own writing mantra.