Identifying a Paradox in Literature

Consider the use of paradox and oxymoron in literature, where authors employ these devices to convey deeper truths through seemingly contradictory statements. A well-known example of an oxymoron is found in the phrase 'deafening silence.' This paradoxical expression presents a contradiction that evokes the intensity of silence in a way that compels the reader to think beyond the literal interpretation.

Which of the following lines from literature exemplifies the use of paradox in revealing a deeper truth?