The rectangle to the left represents the fact that essences can be looked upon from the view of science. For example, many procedures from chemistry are used in essence preparation. At times, the effect of essences can be tested on many people and the results collated and analysed. This is the scientific aspect of essences.
Equally, if you hold an essence bottle in your hand, various feelings may arise within you in response to the essence. In a class situation, we can often encourage artistic appreciation of an essence by each drawing our experience or perception of an essence. Essences can manifest their action mysteriously, for example, through our dream state. This artistic aspect of essences is represented by the ellipse in the Advanced Alchemy trademark.
Essences are both art and science, and it is only as we hold these two aspects in balance, represented by the equal sign, that our appreciation of and benefit from essences is maximized.
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