knordstrom quoted The Fall of Gondolin by J.R.R. Tolkien
"In the Tale of The Fall of Gondolin are two of the greatest powers in …
To set out and discuss these often contradictory outlines in their clipped phrases would be contradictory to the purpose of these two books:. the comparative histories of narratives as they evolved.
— The Fall of Gondolin by J.R.R. Tolkien (Page 241)
Christopher Tolkien commenting on the discrepancies between the Lost Tale of Eärendel and the Tale of The Fall of Gondolin.