Depict a respectful and devotional scene from Christianity. Feature a man preaching passionately in a synagogue, emphasizing that he's conveying the message that Christ is the Son of God. The man's body language, the captivated congregation listening to him, and the divine ambiance of the synagogue should convey the weight of his message. Apply the techniques of watercolor painting, focusing on soft colors, fluid strokes, and layered washes. Ensure that the image communicates reverence and devotion without the use of any text or words.