Final answer:
In 'Siddhartha' by Hermann Hesse, lowered eyes symbolize humility and introspection, reflecting the theme of spiritual enlightenment.
Step-by-step explanation:
In Hermann Hesse's novel Siddhartha, the motif of lowered eyes is utilized throughout the text. This gesture is commonly interpreted to represent humility and introspection, as lowering one's gaze is often associated with a humble or contemplative state. In the context of the theme, this action signifies a character's inward reflection and the rejection of ego, aligning with the novel's exploration of enlightenment and the search for spiritual understanding.