The Theme of Unity in Siddhartha In Herman Hesse's Siddhartha, Unity is a reflecting theme of this novel and in life. Unity is "the state of being one or a unit; harmony, agreement in feelings or ideas or aims, etc." Unity is first introduced by means of the river and by the mystical word "Om." Direct commentary from Siddhartha and the narrator also introduces the theme. Frequent allusions to the river correspond w/ Siddhartha's infinite thoughts of Unity and his initial plans to strive for it. Siddhartha has a number of specific goals during the course of this novel, but in no way does this detra