Have you ever put something in notebook. You know, small book where some ( or all) of your great ideas are stored.
Here is a story about Michael Bierut, graphic designer, who has wrote 85 notebooks about design.

26 Years, 85 Notebooks: Observatory: Design Observer

Pretty inspiring. (i'm going to store now, to buy some clean notebook)

Oh, here is a video with that guy.

Michael Bierut: 5 Secrets from 86 Notebooks on Vimeo