In the novel "The Blue Sword" by Robin McKinley, a significant dialogue unfolds between Corlath and another character. Corlath emphasizes the importance of two revelations. The first involves the observations made by the other character, while the second reveals the use of the Old Tongue, which is a sacred language known only to a select few, including kings and sorcerers. This highlights the mystery and power associated with the language, elevating its significance in their culture.

Additionally, Corlath shares an important moment where he repeats the words spoken by the other character in this ancient language, underscoring the character's connection to a deeper heritage. This dialogue illustrates the intertwining of knowledge, identity, and cultural legacy, as language serves as a bridge between past and present in their narrative. The scene captures the weight of tradition and the extraordinary circumstances that surround the characters.