To start with, I made a big old list of all the things I associate with quiet. This was aided by my pinterest board, I took images from my other collections that gave me a particular sense of hushed stillness and put them together to see what they had in common, which helped me a lot in figuring out some visual themes. I was especially interested in getting a visual sense of quiet and stillness, making a sense of quiet that you could really feel rather than just a symbol.
Then, I started sketching:
The butterfly idea seemed the most appealing by quite a bit, so I ran with it:
I put together my favorites of the bunch:
I picked this sketch for the layout:
Then, I took it into photoshop to adapt it to the 8x10 scale and figure out the values: