In James Joyce's "A Portrait of the Artist as a Young Man," the protagonist grapples with his identity and the nature of existence. The quote, "if it is thus, I ask emphatically whence comes this thusness," reflects a deep inquiry into the essence of reality and the origins of the circumstances that shape our lives. This philosophical questioning is central to the narrative, as the character explores the influences of society, religion, and personal desire.

Through his journey, the young artist confronts the complexities of truth and individual perception. Joyce's exploration of "thusness" suggests an ongoing struggle to understand the world and one's place within it. The protagonist’s search for meaning signifies a broader commentary on the quest for artistic expression and the challenge of reconciling external pressures with internal convictions.