I think a lot about fiber, since I use it during my hours of transit on the bus and subway to craft unique items to wear or to look at. Every stitch, even the most boring repetitive kind, is rendered alive by the mixture of textures and colors of the remnants with which I work.
Then there is the light: Yesterday I looked at a recent piece by the light of the afternoon sun. It looked entirely different than it had in the morning. It was a matter of gray vs. purple.