A depiction of the biblical scene from Mark 10:22, "And he was sad at that saying, and went away grieved: for he had great possessions." Show a despondent man, dressed in rich robes, walking away from a conversation, a sense of despair on his face. The setting is the ancient Middle East, with sandy terrain and simple stone structures in the distance. Render this scene in a digital art style, characterized by smooth surfaces, precise lines, and vibrant colors.