Old painting, or new idea?

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This is a painting from a few years ago. It was based on the idea of nerves in the brain -synapses, electric currents sparking ideas. I honestly dont know where it went. I do know it was a medium sized acrylic on canvas.

My art life has flitted from idea to idea, like this painting I try to generate new thoughts, I love to experiment, come up with different feelings and emotions.

Why should art always stay the same. Why not do different things?