Depict a respectful and devotional Christian detailing, inspired by Matthew 22:37-39 without using any text or words. Visualize the concept of 'Love the Lord your God with all your heart, soul, and mind' as the greatest commandment. This could be done by illustrating a heart, a spiritual figure representing the soul, and a brain to denote the mind. All of them expressing profound devotion. The second commandment, 'Love your neighbor as yourself' could be represented by two individuals of diverse descents displaying acts of kindness towards each other. The art should follow the technique of watercolor painting.