This is a powerful graphic detail a ladder of emotions. You will feel these emotions whenever you focus on thoughts. The further away your thoughts are from your ultimate desires, the lower the emotion you will feel.
The art of life is to choose your thoughts deliberately so that they create higher and higher emotions. Once you are consistently feeling emotions at the top of the scale, your life will begin to unfold like a masterpiece with all of your desires flowing easily into your experience.
Try it in your painting and in everything else you do!