I think Sensory Deprivation would be the best form of inspiration.
To free your self from the totality of yourself, and eradicate all your senses to the bare minimum, in an effort to focus on the task at hand, is to give yourself an opportunity to do that which the creator set out for you to do... create. This is the basis, and the first prerequisite of creating an incredible piece of work.
Let's pretend that creating was not originally man's responsibility- I sometimes feel this way.
Some would say that creativity was for the Gods only, and the specifically chosen ones; a talent, trade or skill that God greedily withheld from us. They say that when God created man, it was the one thing that he didn't bestow upon him. After all, when he created the Garden he'd, more or less, created everything that he was to create and he just gifted Adam with this incredible package.
Some even argue that that is what the forbidden fruit was: The knowledge of creativity that God selfishly wanted to keep from man, and that was the one thing that Lucifer could use to temp man, and the one thing that Lucifer claimed he had the blueprint of.
In this book, I discuss ways to find inspiration, and offer prompts for when you do.