At the beginning of this century, aesthetic invaded the medical domain; it is the meeting of art and science, of beautiful and aesthetic; the fact that good is within normal limits and the genuine is within logical limits. It is all from the senses that a feeling of pleasure is awaken. A good definition of the beautiful is anything we can add or remove without making any damage.
Since antiquity, all the philosophers looked into the search of beautiful, such as God and the Truth, which engendered a never-ending quarrel about real beauty and ideal beauty. Beauty exists well and truly in nature.