In Mark Helprin's "Winter's Tale," the phrase "Truth is no rounder than a horse's eye" conveys the idea that truth is not a singular, uniform entity but rather varied and subjective, much like the shape of a horse’s eye. This comparison emphasizes that perception influences what we consider the truth, highlighting its complexity and the individual interpretations that arise from personal experiences. The statement invites readers to reflect on their understanding of reality and truth, suggesting that what one might take as absolute may differ significantly from another's perspective. Just as a horse's eye cannot be generalized, neither can truth be; it is multifaceted and open to interpretation, urging a deeper exploration of one’s beliefs and the nature of reality as presented in the narrative.