In the quote from Ray Bradbury's "Zen in the Art of Writing," the author uses a vivid metaphor to describe the struggle of starting each day. He compares waking up to stepping on a landmine, signifying an internal explosion that represents the chaos and challenges he faces. This imagery suggests that the act of writing and creativity can be overwhelming and disruptive, much like an unexpected blast that disrupts the tranquility of life.

Following this explosive start, Bradbury indicates that his day involves the process of reassembling the fragments of his thoughts and ideas. This reflects the arduous journey of a writer as he navigates through the complexities of creativity, seeking to create coherence and meaning from the initial chaos. Ultimately, the quote conveys the tumultuous yet rewarding experience of artistic expression and the resilience needed to push through daily challenges.