Where do you get your inspiration?

I have been thinking alot about creativity, and specifically, where it comes from. Sometimes I get inspired by a song, a picture... Then there are times it seems to come from nowhere.

"Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking." -Albert Einstein

The point is I have to keep creating, and keep taking pictures, instead of reading about creating and taking pictures. Action is the key.