God created the world. Humans in their own insignificant way are also creating things. The urge to create is inborn in human beings. God created the world for the happiness of humankind. Humans are creating things for their happiness, enjoyment, comfort, and survival. The common thread in all human made things is happiness.

There is a vast field of music and art and literature. One can devote one's entire life to any of them and be supremely happy. Humans have made some things expressly for happiness