Portray St. Augustine with a deep, contemplative expression, must look 60 years

Portray St. Augustine with a deep, contemplative expression, must look 60 years old wearing a rich bishop's robe and a detailed miter on his head. The miter must be clearly visible, with traditional details. He is holding a burning, inflamed heart in one hand and a bishop's crozier in the other. . The background should be celestial and ethereal, with a luminous aura around it and soft lighting that highlights the burning heart, creating an atmosphere of passion and spiritual devotion