Showcase an imagery that represents the sentiment of Romans 10:4 'For Christ is the end of the law for righteousness to everyone who believes' in a respectful and devotional manner adhering to the themes of Christianity. The environment should appear tranquil, filled with calmness and spiritual enlightenment. Create this depiction using the medium of watercolor without any text or words included in the outcome. Remember to focus on the visual symbolism that can portray the essence of the verse rather than a literal representation.