The colors used in art can have therapeutic value. Warm colors (red, yellow and orange) can be used to alleviate depression and to stimulate metabolism. Thus, a painting of a bright meadow filled with marigolds or buttercups would be appropriate healing art for someone with a cold. Try it with your chicken soup!
If you wear red, you are energetic and impulsive. You are competitive, ambitious and like to be the center of attention. Red is symbolic of leadership qualities and courage. You are focused on results and success. 
Color symbolism plays an important role in religion worldwide. In the Christian tradition, color symbolism comes both from the Bible itself and from the traditions of religious art.
Unicorns have a place in Greek mythology, Chinese traditions, in the art of the Indus Valley and India. Greek writers including Pliny the Elder and Aristotle mention the unicorn in their writings.
Aspen tree symbolism includes determination and overcoming fears and doubts. Renowned for their golden autumn foliage, aspen trees are the only broadleaf tree in the Rocky Mountains.
The flower symbolism associated with marigolds is indicated in the name: Mary's Gold. Marigold flowers were "golden gifts" offered to the Virgin by the poor who could not afford to give actual gold. Marigolds were also planted in Mary Gardens, medieval gardens created to honor the Virgin Mary and give her devoted followers a place to contemplate her virtues. Marigolds are symbolic of passion and creativity.
The mythological part-animal, part-human sphinx appeared first in ancient Egypt, Asia Minor, and Greece. With a human head and lion's body, the sphinx represented vigilance, ever gazing eastward from its most famous position at the base of the pyramids.
