Relief of A four-panel image depicting the evolution of brain activity from a simple to an enlightened state. The first panel shows a normal brain with basic lighting. The second panel shows a brain glowing slightly, indicating a minor epiphany. The third panel features a brain radiating bright light with electric sparks, representing advanced thinking. The final panel displays a brain exploding with cosmic energy, surrounded by galaxies and stars, symbolizing a state of ultimate enlightenment. The transition from one panel to the next is seamless, emphasizing the progression of increasingly complex or absurd ideas.