caption: The image shows a painting of a man wearing a hat and holding a book in his hand. He has a serious expression on his face and his eyes are focused intently on something in the distance. His hair is dark and his clothing is simple and his posture is upright. He is wearing a long robe with a high collar and a belt around his waist. His hands are clasped in front of him and he has a halo of light around his head.