While under the form of swans, Oengus and Caer went together to the Boyne palace of the king dagda, his father, and remained there; and their singing was so sweet that all who heard it slept three days and three nights.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz
We are now prepared to see the Tuatha De Danann in their domestic troubles and wars; and the following story is as interesting as any, for in it dagda himself is the chief actor.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz
Mr. Coffey also quotes O'Hartagain's poem, which seems to bear in Mr. MacRitchie's favour:- "Behold the sidhe before your eyes: It is manifest to you that it is a king's mansion, Which was built by the firm dagda; It was a wonder, a court, a wonderful hill."
"A Philological Essay Concerning the Pygmies of the Ancients"
Edward Tyson