Man is a sun;
and his senses are the planets.
It was Rudolf Steiner who first proposed that there are twelve senses. His theory on senses was later expanded by various authors, including Appli, Kranich, Schoorel and Soesman.
It is important to develop and use as many of your senses as possible because each sense reveals another aspect of the sensory reality. Sensory perception also forms the basis of your relationship with yourself, your surroundings, and the people around you. If you want to learn to observe well, you must use your senses comprehensively and frequently. With practice, you will find yourself observing more and more, as the different senses complement each other.
There is a relationship between sensory perception, and health and vitality. Your vitality increases if you observe intensively and perceptively. At the same time, the healthier and more vital you are, the more intensive and perceptive your observations.
Steiner's twelve senses can be grouped into three categories. He distinguished senses which relate to the perception of: