In Samuel Beckett's play "Waiting for Godot," the essence of the human condition remains constant despite the passage of time and circumstance. The characters grapple with existential themes, showcasing how their lives are filled with waiting and uncertainty. This reflects a broader commentary on the nature of existence, illustrating that despite change, certain fundamental truths about life persist.

The quote, "The essential doesn't change," encapsulates the idea that regardless of external factors or events, core human experiences and emotions endure. Beckett's work prompts readers to reflect on the significance of these timeless aspects of life, emphasizing that while our surroundings may evolve, our intrinsic struggles and quests for meaning remain unchanged.