"Trilce" is a groundbreaking collection of 77 avant-garde poems that explore the complexities of human existence and emotions. The work is known for its innovative use of language and form, challenging traditional poetic norms. It delves into themes of love, death, and existential angst, while also reflecting on the author's personal experiences, including his struggles with poverty and his political beliefs. The poems are characterized by their intense imagery, complex syntax, and a sense of deep melancholy.

The book presents a philosophical and introspective analysis of the classic literary character Don Quixote, delving into the existential and moral dimensions of his adventures. The author reflects on the nature of reality, the importance of ideals, and the interplay between sanity and madness, arguing that Quixote's chivalric quests and his refusal to concede to the limitations of his mundane world embody a profound and heroic affirmation of human imagination and spirit. Through this exploration, the work becomes a meditation on the human condition and the enduring power of fiction to inspire and give life meaning.