Explain this main theme of Siddhartha, "breaking out of established civilization to find one’s own essential spirit."

'Breaking out of established civilization to find one’s own essential spirit' is a quest for identity, a relentless quest for truth to discover one's uniqueness in life's troubling and often winding paths.

Explanation:

After experiencing the devastation of World War 1, 'Siddhartha' is a writer's journey to finding the meaning and essence of life.

An allegory of the life of Buddha, 'Siddhartha' which was written by Hermann Hesse, sought answers for the many questions about life and existence that was troubling his soul. He found that essence in teachings and practices  of Buddhism.

'Breaking out of established civilization to find one’s own essential spirit' is the quest for identity, a relentless quest for truth to discover one's uniqueness in life's troubling and often winding paths.

c. a group of tribes that formed a confederacy