This idea reflects the perception that humans are not the same, and they are always evolving, no matter if physically or emotionally. Human's perception related to the world is always changing, creating new things, expressing their feelings in different ways, trough different sounds. As said by Heraclitus, a pre-Socratic Ionian Greek philosopher, nothing in nature is static, it is always moving.
Aesthetics, also spelled esthetics, the philosophical study of beauty and taste. It is closely related to the philosophy of art, which is concerned with the nature of art and the concepts in terms of which individual works of art are interpreted and evaluated.
