The quote from Diana Gabaldon's "A Breath of Snow and Ashes" suggests an curious encounter with a character named Michael, who is described as a very large mouse. This character likely embodies a whimsical or fantastical element within the story, contributing to its rich and imaginative narrative. The invitation to convey regards from one's grandsire adds a personal touch, hinting at family connections and the significance of heritage in the tale.

This encounter could symbolize the blending of reality and fantasy, a hallmark of Gabaldon's writing. The mention of a "large mouse" may also indicate themes of courage and unexpected friendships, encouraging readers to consider the importance of messages passed down through generations. Overall, this quote captures the essence of adventure and the enchanting relationships that populate Gabaldon's world.