I’m not surprised he noticed it. Just right. RBG Frida Kahlo feminist be strong be brave be humble be badass poster. But notice the precision of intuition that he perceives himself as a thinking being. Perhaps you remember Plato saying that what we lie about with our reason is more real than what we grasp with our senses. Descartes thinks so too. He is not only realizing that he is a real thinking self rather than the physical world that we perceive with our senses. And he went on. He is far from completing his philosophical studies. Now Descartes wonders if there is anything else he could perceive with that same intuitive conviction.